Diatomaceous earth: Wikis

  
  

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A sample of diatomaceous earth
.Diatomaceous earth (pronounced /ˌdaɪ.ətɵˌmeɪʃəs ˈɜrθ/) also known as diatomite or kieselgur, is a naturally occurring, soft, siliceous sedimentary rock that is easily crumbled into a fine white to off-white powder.^ Diatomaceous earth is a chalky rock.

^ Diatomaceous Earth Powder 2 lb.
  • WORMERS : Twin City Poultry Supplies, Supplies for Poultry, Pigeons, Gamebirds, Gamefowl 1 February 2010 1:46 UTC www.twincitypoultrysupplies.com [Source type: General]

^ Search] Diatomaceous earth Probably the most effective naturally occurring protective powder is diatomaceous earth .
  • Diatomaceous Earth - Web - Copernic 1 February 2010 1:46 UTC ws.copernic.com [Source type: General]

.It has a particle size ranging from less than 1 micron to more than 1 millimeter, but typically 10 to 200 microns.^ The fossilized skeletal remains—a pair of symmetrical shells (frustules)—vary in size from less than 1 micron to more than 1 millimeter, but are typically 10 to 200 microns across, and have a broad variety of delicate, lacy, perforated shapes from discs and balls to ladders, feathers, and needles.

^ Zeobest™ has nearly 9800 times more square footage than sand, enabling it to filter small particles down to 3 microns for exceptional water clarity - that's 10 times smaller than sand!

^ The sand in a sand filter (#20 silica sand; 45 - 55 mm) is specially graded to trap particles in the 20 - 100 micron range.
  • Pool Filters, Sand, DE, and Cartridge filters, Informational pages on filteringpool water 1 February 2010 1:46 UTC www.poolcenter.com [Source type: FILTERED WITH BAYES]

[1] .This powder has an abrasive feel, similar to pumice powder, and is very light, due to its high porosity.^ This powder has an abrasive feel, similar to pumice powder, and is very light, due to its high porosity.
  • Diatomaceous Earth: Diatomaceous earth, Housekeeping & Cleaning Guides, Explanations, & Definitions - HousekeepingChannel.com 1 February 2010 1:46 UTC www.housekeepingchannel.com [Source type: General]
  • FAQ: What is diatomaceous earth (DE)? Should I use it? 1 February 2010 1:46 UTC bedbugger.com [Source type: General]
  • Get Rid Of Fleas: Tips & Info : TipNut.com 1 February 2010 1:46 UTC tipnut.com [Source type: General]

^ This powder is very light, due to its high porosity.
  • Diatomaceous earth benefit 1 February 2010 1:46 UTC www.raysahelian.com [Source type: Academic]

^ This powder is very light-weight due to its high porosity.
  • NATURAL RUSSIA NaturalRussia.com :: Diatomite 1 February 2010 1:46 UTC www.naturalrussia.com [Source type: FILTERED WITH BAYES]

.The typical chemical composition of oven dried diatomaceous earth is 80 to 90% silica, with 2 to 4% alumina (attributed mostly to clay minerals) and 0.5 to 2% iron oxide.^ Related Chemicals for Diatomaceous earth .
  • Diatomaceous earth - toxicity, ecological toxicity and regulatory information 1 February 2010 1:46 UTC www.pesticideinfo.org [Source type: FILTERED WITH BAYES]

^ Chemical Database - Silica, amorphous - diatomaceous earth.
  • Chemical Database: Silica, amorphous - diatomaceous earth (EnvironmentalChemistry.com) 1 February 2010 1:46 UTC environmentalchemistry.com [Source type: FILTERED WITH BAYES]

^ Freshwater diatomaceous earth is amorphous silica.
  • Diatomaceous Earth 1 February 2010 1:46 UTC www.revivalanimal.com [Source type: FILTERED WITH BAYES]
  • Yorkshire Terrier Dogs - Toybox Yorkies, Hypoglycemia, Small Dos, Toy Breeds 1 February 2010 1:46 UTC www.toyboxyorkies.com [Source type: FILTERED WITH BAYES]

[1]
.Diatomaceous earth consists of fossilized remains of diatoms, a type of hard-shelled algae.^ Diatomaceous Earth is a finely milled fossilized shell of freshwater diatoms.

^ Encyclopedia diatomaceous earth: diatomaceous earth: see diatom .
  • http://www.factmonster.com/ce6/sci/A0912528.html 1 February 2010 1:46 UTC www.factmonster.com [Source type: General]

^ As they die, their shells become fossilized into Diatomaceous Earth.
  • Nature’s Farmacy Blog » Blog Archive » Diatomaceous Earth 1 February 2010 1:46 UTC www.naturesfarmacy.com [Source type: General]

.It is used as a filtration aid, as a mild abrasive, as a mechanical insecticide, as an absorbent for liquids, as cat litter, as an activator in blood clotting studies, and as a component of dynamite.^ It has also been used as a mild abrasive, an absorbent for liquids, cat litter, a component of dynamite, and a thermal insulator (due to its being heat resistant).
  • What is Diatomaceous Earth, buy diatomaceous earth 1 February 2010 1:46 UTC www.domyownpestcontrol.com [Source type: FILTERED WITH BAYES]

^ It is used as a filtration aid, a mild abrasive, a mechanical insecticides and as an absorbent for liquids.

^ It is used as a filtration aid, as a mild abrasive, as a mechanical insecticide, as an absorbent for liquids, as cat litter, as an activator in blood clotting studies, and as a component of dynamite.
  • FAQ: What is diatomaceous earth (DE)? Should I use it? 1 February 2010 1:46 UTC bedbugger.com [Source type: General]
  • Cat Litter as Bonsai Soil 1 February 2010 1:46 UTC www.bonsai4me.com [Source type: FILTERED WITH BAYES]
  • 4 Step Solution - Best Bed Bug Kit - Bed Bugs 1 February 2010 1:46 UTC www.thepestdepot.com [Source type: General]
  • 4 Step Solution - Our Best Bed Bug Kit - Bed Bug Treatments 1 February 2010 1:46 UTC www.flowerdepotstore.com [Source type: General]

.As it is also heat-resistant, it can be used as a thermal insulator.^ As it is also heat-resistant, it can be used as a thermal insulator.
  • FAQ: What is diatomaceous earth (DE)? Should I use it? 1 February 2010 1:46 UTC bedbugger.com [Source type: General]
  • 4 Step Solution - Best Bed Bug Kit - Bed Bugs 1 February 2010 1:46 UTC www.thepestdepot.com [Source type: General]
  • 4 Step Solution - Our Best Bed Bug Kit - Bed Bug Treatments 1 February 2010 1:46 UTC www.flowerdepotstore.com [Source type: General]

^ As it is also heat-resistant, it can be used as a thermal insulator."
  • Cat Litter as Bonsai Soil 1 February 2010 1:46 UTC www.bonsai4me.com [Source type: FILTERED WITH BAYES]

^ Since it is also heat-resistant, it can be used as a thermal insulator.
  • Diatomaceous Earth: Diatomaceous earth, Housekeeping & Cleaning Guides, Explanations, & Definitions - HousekeepingChannel.com 1 February 2010 1:46 UTC www.housekeepingchannel.com [Source type: General]

Contents

Geology and occurrence

.Diatomite forms by the accumulation of the amorphous silica (opal, SiO2·nH2O) remains of dead diatoms (microscopic single-celled algae) in lacustrine or marine sediments.^ Also called DE, is made of microscopic silica shell remains called diatoms.

^ "It is a silica powder - the fossils of the dead diatoms.
  • Nature's Hoof - Barefoot and Balanced 1 February 2010 1:46 UTC www.natureshoof.com [Source type: FILTERED WITH BAYES]

^ Diatoms are single celled algae in the class Bacillarophyceae.
  • Diatomaceous Earth 1 February 2010 1:46 UTC yardener.com [Source type: FILTERED WITH BAYES]

.The fossil remains consist of a pair of symmetrical shells or frustules.^ Consists of fossilized remains of diatoms, a type of hard-shelled algae.

^ Diatomaceous Earth Diatomaceous Earth (DE) is a non-toxic natural insecticide mined from the fossilized silica shell remains of diatoms.
  • Diatomaceous Earth 1 February 2010 1:46 UTC yardener.com [Source type: FILTERED WITH BAYES]

^ DE consists of a powdered media, made of almost pure silica manufactured from diatoms - the fossilized skeletons (frustules) of fresh water, unicellular algae.
  • Water Treatability Database | US EPA 1 February 2010 1:46 UTC iaspub.epa.gov [Source type: Reference]

[1]
The commercial deposits of diatomite are restricted to Tertiary or Quaternary Periods. .Older deposits from as early as the Cretaceous Period are known but are of low quality.^ These were deposited over millions of years in early geological periods while virtually the entire continent was a shallow dead sea unlikely to be very fresh.
  • [Arid_gardener] Diatomaceous Earth - Fresh Water VS Salt Water 1 February 2010 1:46 UTC ag.arizona.edu [Source type: FILTERED WITH BAYES]

^ Early Shippers The commercial qualities of the deposits around the Pit River were first noticed in the mid-1920's.
  • McCloud Rails - Dicalite 1 February 2010 1:46 UTC www.trainweb.org [Source type: FILTERED WITH BAYES]

[2] .Marine deposits have been worked in the Lompoc area of Santa Barbara County, California and along the southern California coast.^ The largest deposit worked in the United States is in northern Santa Barbara County, California, where beds more than 300 metres (1,000 feet) thick extend over several square miles and vary from soft earth to hard, compact rock that can be sawed into blocks; other production has come from Nevada, Washington, and Oregon.
  • diatomaceous earth (mineralogy) -- Britannica Online Encyclopedia 1 February 2010 1:46 UTC www.britannica.com [Source type: Reference]

^ San Carlos Indian Reservation Peridot area [Gila County] San Carlos deposits .
  • Diatomaceous Earth: Diatomaceous Earth mineral information and data. 1 February 2010 1:46 UTC www.mindat.org [Source type: FILTERED WITH BAYES]

^ Economic Geology of the Long Valley Diatomaceous Earth Deposits, Mono County, California Price: $15.00 (Used) .
  • Real information about Diatomaceous Earth at Pure Perma-Guard 1 February 2010 1:46 UTC purepermaguard.com [Source type: FILTERED WITH BAYES]

.Additional marine deposits have been worked in Maryland, Virginia, Algeria and the MoClay of Denmark.^ The Imerys deposits are numerous, and include the world’s largest worked mine and marine deposit in Lompoc, California.
  • Diatomaceous Earth | Imerys Performance Minerals 1 February 2010 1:46 UTC www.imerys-perfmins.com [Source type: FILTERED WITH BAYES]

^ Denmark, France, and Russia have well-developed diatomaceous earth industries, and numerous deposits exist in Algeria.
  • diatomaceous earth (mineralogy) -- Britannica Online Encyclopedia 1 February 2010 1:46 UTC www.britannica.com [Source type: Reference]

.Fresh water lake deposits in Nevada, Oregon, Washington and California.^ The Present Scenario In the United States, large deposits of diatomite are found in California, Nevada, Washington and Oregon.
  • Diatomite Minerals,Diatomaceous Earth,Diatomite Information,Diatomite Uses,Diatomite Exporters 1 February 2010 1:46 UTC www.mineralszone.com [Source type: FILTERED WITH BAYES]

^ There are fresh water Diatoms, that are found in old dry lake beds.

^ There are deposits which also occur in fresh water lakes and within this second type of deposit, the purity is exceptional.
  • Club-Mini Farm - Diatomaceous Earth 1 February 2010 1:46 UTC www.club-mini.com [Source type: FILTERED WITH BAYES]
  • Real information about Diatomaceous Earth at Pure Perma-Guard 1 February 2010 1:46 UTC purepermaguard.com [Source type: FILTERED WITH BAYES]
  • What Is DE? 1 February 2010 1:46 UTC www.freshwaterorganics.com [Source type: FILTERED WITH BAYES]

.Lake deposits also occur in interglacial lakes in the eastern US and Canada and in Europe in Germany, France, Denmark and the Czech Republic.^ There are deposits which also occur in fresh water lakes and within this second type of deposit, the purity is exceptional.
  • Club-Mini Farm - Diatomaceous Earth 1 February 2010 1:46 UTC www.club-mini.com [Source type: FILTERED WITH BAYES]
  • Real information about Diatomaceous Earth at Pure Perma-Guard 1 February 2010 1:46 UTC purepermaguard.com [Source type: FILTERED WITH BAYES]
  • What Is DE? 1 February 2010 1:46 UTC www.freshwaterorganics.com [Source type: FILTERED WITH BAYES]

^ Denmark, France, and Russia have well-developed diatomaceous earth industries, and numerous deposits exist in Algeria.
  • diatomaceous earth (mineralogy) -- Britannica Online Encyclopedia 1 February 2010 1:46 UTC www.britannica.com [Source type: Reference]

.The worldwide association of diatomite deposits and volcanic deposits suggests that the availability of silica from volcanic ash may be needed for thick diatomite deposits.^ Their microscopic skeleton remains have build up over the last 30 million years, to thick deposits of chalky diatomite.

^ The intricate and porous structure unique to diatomite silica may be effective for the physical entrapment of particles in filtration processes.
  • Processes for Reducing Beer Soluble Iron in Diatomaceous Earth Products, Diatomaceous Earth Products and Compositions Thereof, and Methods of Use - Patent application 1 February 2010 1:46 UTC www.faqs.org [Source type: Reference]

^ Almost universally, the diatoms obtain silica from the volcanic ash which falls into the water in which the diatoms grow.
  • DIATOMACEOUS EARTH 1 February 2010 1:46 UTC www.barnworld.com [Source type: FILTERED WITH BAYES]

[2]

Applications

Industrial

.In 1866, Alfred Nobel discovered that nitroglycerin could be made much more stable if absorbed in diatomite.^ Another interesting fact about DE is nitroglycerin acid is made more stable if it is absorbed in diatomite.
  • Facts About Diatomaceous Earth 1 February 2010 1:46 UTC www.buzzle.com [Source type: FILTERED WITH BAYES]

^ Alfred Nobel discovered this in 1866 and in 1867, he got a patent for the mixture of diatomite and nitroglycerin that he named as dynamite.
  • Facts About Diatomaceous Earth 1 February 2010 1:46 UTC www.buzzle.com [Source type: FILTERED WITH BAYES]

^ In 1866, Alfred Nobel found that when nitroglycerin was soaked in diatomaceous earth, it was more stable.

.This allows much safer transport and handling than nitroglycerin in its raw form.^ Used in pools to lower pH. Safer to handle than hydrochloric acid.
  • Swimming Pool FAQ, Help & Glossary 1 February 2010 1:46 UTC floridapoolonline.com [Source type: Reference]

^ Safer to handle than liquid (muriatic) acid.
  • Swimming Pool FAQ, Help & Glossary 1 February 2010 1:46 UTC floridapoolonline.com [Source type: Reference]

^ What is promoted here is actually much safer than the pesticides bought on the open market.
  • YouTube - Diatomaceous Earth---Food Grade 1 February 2010 1:46 UTC www.youtube.com [Source type: FILTERED WITH BAYES]

.He patented this mixture as dynamite in 1867, and the mixture is also referred to as guhr dynamite.^ Alfred Nobel discovered this in 1866 and in 1867, he got a patent for the mixture of diatomite and nitroglycerin that he named as dynamite.
  • Facts About Diatomaceous Earth 1 February 2010 1:46 UTC www.buzzle.com [Source type: FILTERED WITH BAYES]

Filtration

Individual diatom cell walls often maintain their shape even in commercially processed filter media, such as this one for swimming pools
.The most common use (68%)[citation needed] of diatomaceous earth is as a filter medium, especially for swimming pools.^ Diatomaceous Earth - Swimming pool cleaning chemicals .
  • Diatomaceous Earth - Swimming pool cleaning chemicals 1 February 2010 1:46 UTC www.intheswim.com [Source type: General]

^ Other grades are for use in things such as swimming pool filters.

^ Diatomaceous Earth filters for swimming pools, D.E. Filters.
  • Hydropool.com | Diatomaceous Earth filters for swimming pools, D.E. Filters. Save on all Pentair and Hayward DE pool filters. 1 February 2010 1:46 UTC www.hydropool.com [Source type: General]
  • Hydropool.com | Diatomaceous Earth filters for swimming pools, D.E. Filters. Save on all Pentair and Hayward DE pool filters. 1 February 2010 1:46 UTC www.hydropool.com [Source type: General]

.It has a high porosity, because it is composed of microscopically-small, coffin-like, hollow particles.^ Since it's made of microscopically-small particles that are hollow inside.
  • The Varied Uses of Diatomaceous Earth Filters 1 February 2010 1:46 UTC blog.worldvillage.com [Source type: General]

^ It works on invertabrates like insects because it has microscopic sharp edges that are too small to harm mammals, but scratch holes in the exoskeleton of insects.
  • Is Diatomaceous Earth a good fly repellant for cattle? 1 February 2010 1:46 UTC hv.greenspun.com [Source type: FILTERED WITH BAYES]

^ That's because D.E. pool filters remove particles as small as 3–5 microns.
  • Swimming Pool Filters | The Swimming Pool Library 1 February 2010 1:46 UTC www.poolinfo.com [Source type: General]

.It is used in chemistry under the brand name Celatom or Celite as a filtration aid, to filter very fine particles that would otherwise pass through or clog filter paper.^ Used as a filter medium or filter aid in D.E. type filters.
  • Swimming Pool FAQ, Help & Glossary 1 February 2010 1:46 UTC floridapoolonline.com [Source type: Reference]

^ Celite is a brand name of DE used in swimming pool filters.

^ Aids in trapping fine suspended particles that might pass through the sand.
  • Swimming Pool FAQ, Help & Glossary 1 February 2010 1:46 UTC floridapoolonline.com [Source type: Reference]

.It is also used to filter water, particularly in the drinking water treatment process and in fish tanks, and other liquids, such as beer and wine.^ It is mined and used as a filtering agent among other uses.
  • Diatomaceous Earth: Diatomaceous Earth mineral information and data. 1 February 2010 1:46 UTC www.mindat.org [Source type: FILTERED WITH BAYES]
  • Diatomaceous Earth - Web - Copernic 1 February 2010 1:46 UTC ws.copernic.com [Source type: General]

^ Other grades are for use in things such as swimming pool filters.

^ It is ideal in this state for filtering water and many other liquids.
  • Diatomaceous Earth | ALTERNATIVE Health & Herbs REMEDIES 1 February 2010 1:46 UTC www.healthherbs.com [Source type: FILTERED WITH BAYES]

.It can also filter syrups and sugar.^ In addition to the filtering of water, this material is used to filter beer, wine, syrup, and sugar.
  • Food Grade Diatomaceous Earth Filtration 1 February 2010 1:46 UTC blog.worldvillage.com [Source type: General]

.Other industries such as paper, paints, ceramics, soap and detergents use it as a fulling material.^ Diatomite is also used in paper , brick, tile, ceramics , plastics , soaps, detergents and other products as a filler .
  • Diatomaceous Earth | Imerys Performance Minerals 1 February 2010 1:46 UTC www.imerys-perfmins.com [Source type: FILTERED WITH BAYES]

^ DE is used to as a thickener for paint, soap, paper, and detergents.

^ It is excellent for this purpose, because it can trap particles which will run through other filtering mediums, such as paper and sand.
  • Food Grade Diatomaceous Earth Filtration 1 February 2010 1:46 UTC blog.worldvillage.com [Source type: General]

Abrasive

Live marine diatoms from Antarctica (magnified)
.The oldest use of diatomite is as a very mild abrasive and, for this purpose, it has been used both in toothpaste and in metal polishes, as well as in some facial scrubs.^ The oldest and best known commercial use is as a very mild abrasive in metal polishes and toothpaste.
  • diatomaceous earth (mineralogy) -- Britannica Online Encyclopedia 1 February 2010 1:46 UTC www.britannica.com [Source type: Reference]

^ The History Says The oldest use of diatomite is as a very mild abrasive and for this purpose has been used in toothpaste and metal polishes.
  • Diatomite Minerals,Diatomaceous Earth,Diatomite Information,Diatomite Uses,Diatomite Exporters 1 February 2010 1:46 UTC www.mineralszone.com [Source type: FILTERED WITH BAYES]

^ I use it for polishing and it works very well for normal use.
  • Diatomaceous Earth Filters 1 February 2010 1:46 UTC www.thekrib.com [Source type: FILTERED WITH BAYES]

Pest control

.Diatomite is also used as an insecticide, due to its physico-sorptive properties.^ Diatomaceous Earth is used as an insecticide for its physio-sorptive properties.
  • Diatomaceous Earth 2Kg from PPC Supplies 1 February 2010 1:46 UTC www.ppcsupplies.co.uk [Source type: Academic]

^ Diatomaceous Earth - Horticultural Grade - 1lb Used as a non-toxic insecticide, due to its physico-sorptive properties.
  • Growing Substrates : Mycopath.com, Mushroom Supplies 1 February 2010 1:46 UTC www.mycopath.com [Source type: Academic]

^ Due to their ingredients, Perma-Guard insecticides have a remarkable repellency factor that is ever-present in any environment in which they are regularly used.
  • Real information about Diatomaceous Earth at Pure Perma-Guard 1 February 2010 1:46 UTC purepermaguard.com [Source type: FILTERED WITH BAYES]
  • What Is DE? 1 February 2010 1:46 UTC www.freshwaterorganics.com [Source type: FILTERED WITH BAYES]

.The fine powder absorbs lipids from the waxy outer layer of insects' exoskeletons, causing them to dehydrate[3].^ The fine powder works by absorbing lipids from the cuticle, the waxy outer layer of insects' exoskeletons, causing them to dehydrate and die.
  • Diatomaceous Earth - Olive: Green Goods for Modern Dogs 1 February 2010 1:46 UTC olivegreendog.com [Source type: General]

^ DE works by adhering to and absorbing the waxy coatings on insects causing their death by dehydration.

^ When insects come into contact with diatomaceous earth, it absorbs lipids from the insect’s cuticle (waxy layer of an insect’s exoskeleton) which then causes the insect to dehydrate.

.Arthropods die as a result of the water pressure deficiency, based on Fick's law of diffusion.^ Arthropods die as a result of the water pressure deficiency, based on Fick's law of diffusion.
  • Diatomaceous Earth, Good To Use? 1 February 2010 1:46 UTC forums.gardenweb.com [Source type: General]

^ As a result of the increased in influent pressure, the effluent pressure (water exiting the filters) is reduced.
  • Swimming Pool Filter..Rapid Sand Filter..Cartridge Filter..Diatomaceous Earth 1 February 2010 1:46 UTC www.swimming-pool-care.com [Source type: Reference]

^ The result being that the insects lose water rapidly, dry up and die.
  • Get Rid Of Fleas: Tips & Info : TipNut.com 1 February 2010 1:46 UTC tipnut.com [Source type: General]

This also works against gastropods and is commonly employed in gardening to defeat slugs. .However, since slugs inhabit humid environments, efficacy is very low.^ Since food processing facilities usually have low relative humidities, which are reduced even more during heat treatments, a series of experiments was designed to determine if DE could be used to increase the efficacy and speed of heat treatments.

.It is sometimes mixed with an attractant or other additives to increase its effectiveness.^ Sometimes the DE is pure but sometimes it can be mixed up with clays or other substances.
  • PINNACLE FARMS amorphous diatomaceous earth/fossil shell flour/food grade/100% natural/non-toxic/detox humans 1 February 2010 1:46 UTC www.pinnaclefarms.ca [Source type: FILTERED WITH BAYES]

.Medical-grade diatomite is sometimes used to de-worm both animals and humans.^ I use herbs for worming my animals, and DE for bugs.
  • diatomaceous earth (Permaculture Forums: organic practices) 1 February 2010 1:46 UTC www.permies.com [Source type: General]

^ Only pure feed-grade DE should be used to feed animals.
  • Diatomaceous Earth - Natural Organic Home Garden Health Howard Garrett Dirt Doctor 1 February 2010 1:46 UTC www.dirtdoctor.com [Source type: FILTERED WITH BAYES]

^ Immune stimulant: DE has been found to stimulate the immune system in both animals and humans.
  • NATURAL RUSSIA NaturalRussia.com :: Diatomite 1 February 2010 1:46 UTC www.naturalrussia.com [Source type: FILTERED WITH BAYES]

.It is most commonly used in lieu of boric acid, and can be used to help control and eventually eliminate a cockroach infestation.^ Boric acid is excellent for control of cockroaches.
  • Diatomaceous Earth Insect Killer 1 February 2010 1:46 UTC www.ecowise.com [Source type: General]

^ Diatomaceous Earth has been used successfully to eliminate a variety of environmental infestations including fleas, ticks, flies, ants, and cockroaches, yet it is still safe for the environment, plants, pets, kids and beneficial bugs.
  • Leerburg | Para Clear 1 February 2010 1:46 UTC leerburg.com [Source type: General]

^ I use a mixture of agricultural de (not the swimming pool stuff) and boric acid in equal parts.
  • Diatomaceous Earth, Good To Use? 1 February 2010 1:46 UTC forums.gardenweb.com [Source type: General]

.This material has wide application for insect control in grain storage.^ The USDA found diatomaceous earth more effective than malathion in protecting grain storage as a means of natural, poison-free insect control.
  • To Rid Fleas And Pests, Borates And Diatomaceous Earth Are Safe Solutions 1 February 2010 1:46 UTC www.callofthedog.com [Source type: General]

^ It is widely used for pest control in agriculture and gardening, and it’s even used in livestock feed and in storage of grain used for human consumption, since it’s harmless when ingested.
  • Only Natural Pet All-in-One Flea Remedy | Dog Cat Fleas Control 1 February 2010 1:46 UTC www.onlynaturalpet.com [Source type: General]

^ DE treated material had 15 insects, compared to 4884 for malathion and 16,994 for untreated grain.

[4]

Absorbent

.Its absorbent qualities make it useful for spill clean-up and the U.S. Centers for Disease Control recommends it to clean up toxic liquid spills.^ "Its absorbent qualities make it useful for spill clean-up and the U.S. Center for Disease Control recommends it to clean up toxic liquid spills.” .
  • Cat Litter as Bonsai Soil 1 February 2010 1:46 UTC www.bonsai4me.com [Source type: FILTERED WITH BAYES]

^ It is also used to clean up spills, especially of dangerous or toxic chemicals.
  • What is Diatomaceous Earth? 1 February 2010 1:46 UTC www.wisegeek.com [Source type: FILTERED WITH BAYES]

^ The U.S. Center for Disease Control recommends it to clean up toxic liquid spills.
  • Diatomaceous Earth (Fossil Shell Flour) - Bulk Herb Store 1 February 2010 1:46 UTC www.bulkherbstore.com [Source type: General]

.These qualities also lend themselves to use in facial masks to absorb excess oils.^ The oils we use are of the highest quality and purity (Industry standards are usually about 1 or 2 percent.
  • Scabies - Natural Scabies Treatment - Kill Scabies 1 February 2010 1:46 UTC www.scabies-killer.com [Source type: General]

^ Reduce vet bills up to 75% • Use in facial masks to absorb excess oils • Added at a rate of 2% to pet food in the bag or bin.
  • Diatomaceous Earth (Fossil Shell Flour) - Bulk Herb Store 1 February 2010 1:46 UTC www.bulkherbstore.com [Source type: General]

^ Diatomaceous Earth is good to use on driveways to absorb oil spills and is even powerful enough to naturally absorb tanker oil spills in the oceans.
  • Green Solutions Magazine - Feature Article Two 1 February 2010 1:46 UTC www.greensolutionsmag.com [Source type: FILTERED WITH BAYES]

.It has been employed as a primary ingredient in a type of cat litter.^ More recently, it has been employed as a primary ingredient in a type of cat litter.
  • Cat Litter as Bonsai Soil 1 February 2010 1:46 UTC www.bonsai4me.com [Source type: FILTERED WITH BAYES]

^ The type of silica used in cat litter comes from freshwater sources and does not pose a significant health risk to pets or humans."
  • Cat Litter as Bonsai Soil 1 February 2010 1:46 UTC www.bonsai4me.com [Source type: FILTERED WITH BAYES]

^ This absorbency makes diatomaceous earth a key ingredient in some brands of cat litter.
  • What is Diatomaceous Earth? 1 February 2010 1:46 UTC www.wisegeek.com [Source type: FILTERED WITH BAYES]

.The type of silica used in cat litter comes from freshwater sources and does not pose a significant health risk to pets or humans.^ The type of silica used in cat litter comes from freshwater sources and does not pose a significant health risk to pets or humans."
  • Cat Litter as Bonsai Soil 1 February 2010 1:46 UTC www.bonsai4me.com [Source type: FILTERED WITH BAYES]

^ It has also been used as a mild abrasive, an absorbent for liquids, cat litter, a component of dynamite, and a thermal insulator (due to its being heat resistant).
  • What is Diatomaceous Earth, buy diatomaceous earth 1 February 2010 1:46 UTC www.domyownpestcontrol.com [Source type: FILTERED WITH BAYES]

^ It is used as a filtration aid, as a mild abrasive, as a mechanical insecticide, as an absorbent for liquids, as cat litter, as an activator in blood clotting studies, and as a component of dynamite.
  • Diatomaceous Earth: Diatomaceous earth, Housekeeping & Cleaning Guides, Explanations, & Definitions - HousekeepingChannel.com 1 February 2010 1:46 UTC www.housekeepingchannel.com [Source type: General]
  • FAQ: What is diatomaceous earth (DE)? Should I use it? 1 February 2010 1:46 UTC bedbugger.com [Source type: General]
  • Cat Litter as Bonsai Soil 1 February 2010 1:46 UTC www.bonsai4me.com [Source type: FILTERED WITH BAYES]
  • 4 Step Solution - Our Best Bed Bug Kit - Bed Bug Treatments 1 February 2010 1:46 UTC www.flowerdepotstore.com [Source type: General]

Thermal

.Its thermal properties enable it to be used as the barrier material in some fire resistant safes.^ As it is also heat-resistant, it can be used as a thermal insulator.
  • FAQ: What is diatomaceous earth (DE)? Should I use it? 1 February 2010 1:46 UTC bedbugger.com [Source type: General]
  • 4 Step Solution - Best Bed Bug Kit - Bed Bugs 1 February 2010 1:46 UTC www.thepestdepot.com [Source type: General]
  • 4 Step Solution - Our Best Bed Bug Kit - Bed Bug Treatments 1 February 2010 1:46 UTC www.flowerdepotstore.com [Source type: General]

^ As it is also heat-resistant, it can be used as a thermal insulator."
  • Cat Litter as Bonsai Soil 1 February 2010 1:46 UTC www.bonsai4me.com [Source type: FILTERED WITH BAYES]

^ Diatomaceous earth is also used as an abrasive compound in materials like toothpaste and metal polishers, as an insecticide, as an absorption agent in spill clean-ups and cat litter, and as a thermal barrier.
  • McCloud Rails - Dicalite 1 February 2010 1:46 UTC www.trainweb.org [Source type: FILTERED WITH BAYES]

DNA purification

.Diatomite (Celite) can be used for the removal of DNA in the presence of a highly concentrated chaotropic agent such as sodium iodide, guanidinium hydrochloride and guanidinium thiocyanate.^ In general, it is found that after such compounding, the pellets will only pick up surface moisture, which can be rather easily removed by heating, such as by using a desiccant dryer.

^ Potassium or sodium iodide, when used with a suitable oxidizing agent such as chlorine, will release iodine in pool water.
  • Swimming Pool FAQ, Help & Glossary 1 February 2010 1:46 UTC floridapoolonline.com [Source type: Reference]

^ For the DNA extraction, resuspend an aliquot of the de-fined diatomaceous earth in 6M guanidine hydrochloride buffer for immediate use.
  • DIATOMACEOUS EARTH PLASMID PREP 1 February 2010 1:46 UTC www.omrf.org [Source type: Academic]

.As with other silicates, the diatomites will remove double stranded DNA but not RNA or proteins.^ Remove the precipitated SDS, protein and chromosomal DNA by filtering through double layered cheesecloth, gauze or fine mesh nylon.
  • DIATOMACEOUS EARTH PLASMID PREP 1 February 2010 1:46 UTC www.omrf.org [Source type: Academic]

.The DNA can be extracted from the diatomites using low ionic strength buffers, including water, at neutral to slightly alkaline pH. Crude diatomites of a uniform size must first be washed in a heated acid such as 5M HCl[5].^ A measure of the pH buffering capacity of water.
  • Swimming Pool FAQ, Help & Glossary 1 February 2010 1:46 UTC floridapoolonline.com [Source type: Reference]

^ LIQUID ACID Chemicals used to reduce pH and total alkalinity in pool water.
  • Swimming Pool FAQ, Help & Glossary 1 February 2010 1:46 UTC floridapoolonline.com [Source type: Reference]

^ Chlorine pH Alkalinity Cyanuric Acid .

.Calcination can further improve consistency of the material, while mild caustic treatment may improve adsorption with lower levels of chaotrophs.^ After crushing and further drying, D.E. may be heated in a kiln through a process called calcinations, in order to achieve certain useful performance characteristics.
  • Diatomaceous Earth Filter Aids - Alar Engineering Corporation 1 February 2010 1:46 UTC www.alarcorp.com [Source type: FILTERED WITH BAYES]

^ The skeletons consist almost entirely of silica, though other material may be present in the sediment.
  • What is the difference between Bentonite Clay & Diatomaceous Earth? Are they used similarly? 1 February 2010 1:46 UTC askville.amazon.com [Source type: General]

^ Treatment with dry ice may improve storage life of the grain, but it is not the most effective fumigant for controlling pests in stored grain.
  • insect treatments - Food Storage - extension.usu.edu 1 February 2010 1:46 UTC extension.usu.edu [Source type: Academic]

Use in agriculture

.Natural freshwater diatomaceous earth is used in agriculture for grain storage as an anti-caking agent, as well as insecticide.^ Diatomaceous earth is USDA approved as an anti-caking agent for animal feed.
  • Diatomaceous Earth - Food Grade Diatomaceous Earth Health Benefits 1 February 2010 1:46 UTC wolfcreekranch1.tripod.com [Source type: General]
  • Diatomaceous Earth Information for Holistic Livestock Animals! 1 February 2010 1:46 UTC www.holisticlivestock.com [Source type: FILTERED WITH BAYES]

^ Since 1962 Food Grade Diatomaceous Earth (fossil shell flour) was used in grain storage and other food products as an anti-caking agent.
  • Earthworms, Red Worms, Diatomaceous Earth 1 February 2010 1:46 UTC www.jackassjunction.net [Source type: FILTERED WITH BAYES]

^ Freshwater diatomaceous earth is amorphous silica.
  • Yorkshire Terrier Dogs - Toybox Yorkies, Hypoglycemia, Small Dos, Toy Breeds 1 February 2010 1:46 UTC www.toyboxyorkies.com [Source type: FILTERED WITH BAYES]

[6] It is approved by the US Department of Agriculture as a feed supplement.
.It is also used as a neutral anthelmentic (de-wormer).^ When using as a de-wormer mix the Diatomaceous Earth into your pets food.

^ A wonderful customer named Pat sent me some many years ago and said use it as a de-wormer for your horses, dogs, and for all animals.
  • Diatomaceous earth 1 February 2010 1:46 UTC www.bugrepel.com [Source type: FILTERED WITH BAYES]

^ When using as a de-wormer, mix the DE into their food as follows: .
  • Diatomaceous Earth - food grade powder - More Than Alive 1 February 2010 1:46 UTC www.morethanalive.com [Source type: General]

.Some farmers add it to their livestock and poultry feed to improve the health of animals.^ For chickens and other livestock that you cannot hand-feed individually, weigh their feed, then add 2% of that weight in Diatomaceous Earth to their feed.

^ Add DE to animal feed to expel parasites.
  • NATURAL RUSSIA NaturalRussia.com :: Diatomite 1 February 2010 1:46 UTC www.naturalrussia.com [Source type: FILTERED WITH BAYES]

^ Feeding rates: Add 1% Diatom to Poultry Feed, 2% for Pigs, Goats and Sheep, 5oz in Horse Rations.
  • Diatom Parasite Control Powder | Red Mite | Chicken House | Poultry Supplies | Equipment 1 February 2010 1:46 UTC www.flytesofancy.co.uk [Source type: General]

[7] ."Food Grade Diatomaceous Earth" is widely available in agricultural feed supply stores.^ Food Grade Diatomaceous Earth is amazing!
  • Diatomaceous earth 1 February 2010 1:46 UTC www.bugrepel.com [Source type: FILTERED WITH BAYES]

^ "Food-grade Diatomaceous Earth?
  • What is the difference between Bentonite Clay & Diatomaceous Earth? Are they used similarly? 1 February 2010 1:46 UTC askville.amazon.com [Source type: General]

^ Food grade diatomaceous e .
  • Diatomaceous Earth - User ratings & reviews - Revolution Health 1 February 2010 1:46 UTC www.revolutionhealth.com [Source type: General]

.It is acceptable as organic feed additive for livestock.^ Hog producers in particular, have reported that the beneficial effects as a feed additive, evident in other livestock, appear more pronounced in livestock raised in a more confined environment.
  • Diatomaceous Earth 1 February 2010 1:46 UTC www.whiteearth.ca [Source type: FILTERED WITH BAYES]

^ As a feed additive for pets or livestock, to eliminate parasites, reduce smell of manure, reduce fly hatch, and reduce or eliminate vet bills.
  • Club-Mini Farm - Diatomaceous Earth 1 February 2010 1:46 UTC www.club-mini.com [Source type: FILTERED WITH BAYES]

^ Fossil Shell Flour is used as a feed additive for livestock, birds, pets, and humans (reported to eliminate parasites), and add trace minerals to the system.
  • Club-Mini Farm - Diatomaceous Earth 1 February 2010 1:46 UTC www.club-mini.com [Source type: FILTERED WITH BAYES]

Hydroponics

.Freshwater diatomite can be used as a growing medium in hydroponic gardens.^ "Freshwater diatomite (Diatomaceous Earth) can be used as a growing medium in hydroponics gardens.
  • Cat Litter as Bonsai Soil 1 February 2010 1:46 UTC www.bonsai4me.com [Source type: FILTERED WITH BAYES]

^ Because of its chelated minerals and dissolvability it is used in hydroponic gardens, and packaged and sold in chiropractor offices, health food stores, and in holistic doctors offices.
  • Earthworms, Red Worms, Diatomaceous Earth 1 February 2010 1:46 UTC www.jackassjunction.net [Source type: FILTERED WITH BAYES]

^ Diatomite is one of the "secret ingredients" that we use at Sage Garden Herbs!
  • Sage Garden Herbs - Diatomite (Diatomaceous Earth) 1 February 2010 1:46 UTC www.herbs.mb.ca [Source type: FILTERED WITH BAYES]

.It is also used as a growing medium in potted plants, particularly as bonsai soil.^ Can be mixed directly into the soil or used as potting plant material.
  • Nitron Product Info for Organic Growing. 1 February 2010 1:46 UTC www.nitron.com [Source type: FILTERED WITH BAYES]

^ It is also used as a growing medium in potted plants, particularly as bonsai soil.
  • Cat Litter as Bonsai Soil 1 February 2010 1:46 UTC www.bonsai4me.com [Source type: FILTERED WITH BAYES]

^ Diatomaceous earth is also used as a potting medium like vermiculite or perlite, it retains nutrients while draining water quickly - what better way to start your plants than in a medium that is sterile but deadly to garden pests.
  • Diatomaceous Earth | Bukisa.com 1 February 2010 1:46 UTC www.bukisa.com [Source type: General]

.Bonsai enthusiasts use it as a soil additive, or pot a bonsai tree in 100% Diatomaceous earth.^ Chemical Identification and Use for Diatomaceous earth .
  • Diatomaceous earth - toxicity, ecological toxicity and regulatory information 1 February 2010 1:46 UTC www.pesticideinfo.org [Source type: FILTERED WITH BAYES]

^ It is also used as a growing medium in potted plants, particularly as bonsai soil.
  • Cat Litter as Bonsai Soil 1 February 2010 1:46 UTC www.bonsai4me.com [Source type: FILTERED WITH BAYES]

^ DE Tip #1: Add Diatomaceous Earth to your potting soil.
  • Diatomaceous Earth | ALTERNATIVE Health & Herbs REMEDIES 1 February 2010 1:46 UTC www.healthherbs.com [Source type: FILTERED WITH BAYES]

.Like perlite, vermiculite, and expanded clay, it retains water and nutrients while draining fast and freely, allowing high oxygen circulation within the growing medium.^ Like perlite, vermiculite, and expanded clay, it retains water and nutrients while draining fast, allowing high oxygen circulation within the growing medium."
  • Cat Litter as Bonsai Soil 1 February 2010 1:46 UTC www.bonsai4me.com [Source type: FILTERED WITH BAYES]

^ Diatomaceous earth is also used as a potting medium like vermiculite or perlite, it retains nutrients while draining water quickly - what better way to start your plants than in a medium that is sterile but deadly to garden pests.
  • Diatomaceous Earth | Bukisa.com 1 February 2010 1:46 UTC www.bukisa.com [Source type: General]

^ The components of this growing medium include peat moss, perlite, lime, a fertilizer charge and a wetting agent.
  • Fungus Gnats and Diatomaceous Earth 1 February 2010 1:46 UTC www.gpnmag.com [Source type: Academic]

Marker in livestock nutrition experiments

.Natural diatomaceous earth (dried, not calcined) is regularly used in livestock nutrition research as a source of acid insoluble ash (AIA), which is used as an indigestible marker.^ For dry applications of Diatomaceous Earth, we recommend using a garden duster .

^ Chemical Identification and Use for Diatomaceous earth .
  • Diatomaceous earth - toxicity, ecological toxicity and regulatory information 1 February 2010 1:46 UTC www.pesticideinfo.org [Source type: FILTERED WITH BAYES]

^ The three classifications of diatomaceous earth are natural, calcined, and flux-calcined.
  • Powder Filter Aids Used in Brewing Beer: Diatomaceous Earth and Perlite 1 February 2010 1:46 UTC www.beer-brewing.com [Source type: Reference]

By measuring the content of AIA relative to nutrients in test diets and feces or digesta sampled from the terminal ileum (last third of the small intestine) the percentage of that nutrient digested can be calculated using the following equation:
% Nutrient Digestibility = (1 - (% Nutrientfeces/digesta / % Nutrientfeed) X (% AIAfeed / % AIAfeces/digesta)) X 100
.Natural diatomaceous earth (freshwater) is preferred by many researchers over chromic oxide, which has been widely used for the same purpose, but which is also a known carcinogen and therefore a potential hazard to research personnel.^ Diatomaceous Earth human use .
  • Diatomaceous Earth human use 1 February 2010 1:46 UTC www.earthworksde.com [Source type: FILTERED WITH BAYES]

^ DE , or Diatomaceous Earth , has many uses.
  • Diatomaceous Earth DE Natural Pesticide - Livestock Food Grade - 50 lb - Shipping Included. 1 February 2010 1:46 UTC www.arbico-organics.com [Source type: General]

^ Diatomaceous Earth, also known as DE, is this tool.
  • Nature’s Farmacy Blog » Blog Archive » Diatomaceous Earth 1 February 2010 1:46 UTC www.naturesfarmacy.com [Source type: General]
  • Nature’s Farmacy Blog » Flea Control 1 February 2010 1:46 UTC www.naturesfarmacy.com [Source type: General]

Specific varieties

  • Tripolite is the variety found in Tripoli, Libya.
  • Bann clay is the variety found in the Lower Bann valley in Northern Ireland.
  • Moler (Mo-clay) is the variety found in northwestern Denmark, especially on the islands of Fur and Mors.
  • Perma-Guard is the type most often used in US agriculture for grain storage, and as feed supplement.

Climatologic importance

.The Earth's climate is affected by dust in the atmosphere, so locating major sources of atmospheric dust is important for climatology.^ There are pesticide dusts, but the comments below refer only to food-grade freshwater diatomaceous earth (since those which are not food-grade and from freshwater sources are less safe).
  • FAQ: What is diatomaceous earth (DE)? Should I use it? 1 February 2010 1:46 UTC bedbugger.com [Source type: General]

.Recent research indicates that surface deposits of diatomaceous earth play an important role.^ DE is an abbreviation of the words "Diatomaceous Earth," which is a fossilized deposit of microscopic shells created by one celled plants called Diatoms.
  • Club-Mini Farm - Diatomaceous Earth 1 February 2010 1:46 UTC www.club-mini.com [Source type: FILTERED WITH BAYES]

^ (Answers: 1) (Comments: 0) We discovered fleas in our house, and so I did some minor research on the internet and it said that diatomaceous earth was a good pest repellent.
  • Real information about Diatomaceous Earth at Pure Perma-Guard 1 February 2010 1:46 UTC purepermaguard.com [Source type: FILTERED WITH BAYES]

^ To order 'DIATOMACEOUS EARTH (CAS 61790-53-2) Market Research Report 2010', please fill in the form below: .
  • DIATOMACEOUS EARTH (CAS 61790-53-2) Market Research Report 2010 :: 28 January 2010 :: D :: Page[94] 1 February 2010 1:46 UTC mcgroup.co.uk [Source type: Academic]

For instance, the largest single atmospheric dust source is the Bodélé depression in Chad, where storms push diatomite gravel over dunes, generating dust by abrasion.[8]

Safety considerations

The absorbent qualities of diatomite can result in a significant drying of the hands if handled without gloves. .The flux-calcined form contains a highly crystalline form of silica, resulting in sharp edges.^ This is an amorphous, highly adsorbent form of silica.
  • The Food Storage Faq - Specific Specifications 1 February 2010 1:46 UTC www.survival-center.com [Source type: FILTERED WITH BAYES]

^ The most important differences between individual forms of DE is the shape of the diatom, content of Crystalline Silica, and the purity of the Silica Dioxide.
  • The Food Storage Faq - Specific Specifications 1 February 2010 1:46 UTC www.survival-center.com [Source type: FILTERED WITH BAYES]

^ It is mostly silica, and the sharp edges is what hurts soft bodied animals.
  • Diatomaceous earth - Topic Powered by Social Strata 1 February 2010 1:46 UTC forums.organicgardening.com [Source type: FILTERED WITH BAYES]

.The sharpness of this version of the material makes it dangerous to breathe and a dust mask is recommended when working with it.^ If you are concerned about breathing the dust, then avoid breathing it by using the best dust mask you can find.
  • FAQ: What is diatomaceous earth (DE)? Should I use it? 1 February 2010 1:46 UTC bedbugger.com [Source type: General]

^ These diatoms are microscopic in size and are covered in sharp spines that make them dangerous to exoskeletal insects, but not to animals with internal skeletons.
  • The Food Storage Faq - Specific Specifications 1 February 2010 1:46 UTC www.survival-center.com [Source type: FILTERED WITH BAYES]

^ Use a dust mask, to avoid breathing the dust, and wash up immediately after using.
  • Diatomaceous Earth, Good To Use? 1 February 2010 1:46 UTC forums.gardenweb.com [Source type: General]

.The type of hazard posed by inhalation depends on the form of the silica.^ The type of silica used in cat litter comes from freshwater sources and does not pose a significant health risk to pets or humans."
  • Cat Litter as Bonsai Soil 1 February 2010 1:46 UTC www.bonsai4me.com [Source type: FILTERED WITH BAYES]

^ The DE and silica are mixed in different proportions by weight depending on the type of DE, and may preferably be about 95% to 65% DE to about 5% to 35% silica aerogel.
  • Diatomaceous earth insecticidal composition - Patent 5773017 1 February 2010 1:46 UTC www.freepatentsonline.com [Source type: Academic]

^ Chronic inhalation of crystalline silica is a lung cancer hazard.
  • Diatomaceous Earth 1 February 2010 1:46 UTC www.jtbaker.com [Source type: FILTERED WITH BAYES]

.Crystalline silica poses a serious inhalation hazard because it can cause silicosis.^ DE is an inhalation hazard per the CDC. It can cause silicosis.
  • FAQ: What is diatomaceous earth (DE)? Should I use it? 1 February 2010 1:46 UTC bedbugger.com [Source type: General]

^ Chronic inhalation of crystalline silica is a lung cancer hazard.
  • Diatomaceous Earth 1 February 2010 1:46 UTC www.jtbaker.com [Source type: FILTERED WITH BAYES]

^ As indicated above, however, pesticide quality DE is usually over 97 per cent amorphous silica, which does not cause silicosis, which is associated only with crystalline silica.
  • Diatomaceous Earth Powder Natural environmental insecticide pesticide 1 February 2010 1:46 UTC ublcorp.com [Source type: FILTERED WITH BAYES]

.Amorphous silica can cause dusty lungs, but does not carry the same degree of risk as crystalline silica.^ As indicated above, however, pesticide quality DE is usually over 97 per cent amorphous silica, which does not cause silicosis, which is associated only with crystalline silica.
  • Diatomaceous Earth Powder Natural environmental insecticide pesticide 1 February 2010 1:46 UTC ublcorp.com [Source type: FILTERED WITH BAYES]

^ Pool grade DE is Diatomaceous Earth produced for pool filters and it is treated with heat, causing the formerly amorphous silicon dioxide to assume crystalline form.
  • Diatomaceous Earth 1 February 2010 1:46 UTC www.ghorganics.com [Source type: FILTERED WITH BAYES]

^ The DE I like contains NO clays, additives or contaminants: it is 100% amorphous silica and contains less than 0.5% crystalline silica.
  • PINNACLE FARMS amorphous diatomaceous earth/fossil shell flour/food grade/100% natural/non-toxic/detox humans 1 February 2010 1:46 UTC www.pinnaclefarms.ca [Source type: FILTERED WITH BAYES]

.Natural or dried diatomite generally contains very low percentages of crystalline silica.^ The DE I like contains NO clays, additives or contaminants: it is 100% amorphous silica and contains less than 0.5% crystalline silica.
  • PINNACLE FARMS amorphous diatomaceous earth/fossil shell flour/food grade/100% natural/non-toxic/detox humans 1 February 2010 1:46 UTC www.pinnaclefarms.ca [Source type: FILTERED WITH BAYES]

^ Though not diatomite exactly, another very similar product that I have heard being used in the past in the US is 'Dri-Zit' or 'Hi-Dri'.
  • Cat Litter as Bonsai Soil 1 February 2010 1:46 UTC www.bonsai4me.com [Source type: FILTERED WITH BAYES]

^ Freshwater diatomite is mined from dry lakebeds and is mostly hydrated amorphous silica.
  • NATURAL RUSSIA NaturalRussia.com :: Diatomite 1 February 2010 1:46 UTC www.naturalrussia.com [Source type: FILTERED WITH BAYES]

.Diatomite produced for pool filters is treated with high heat (calcining) and a fluxing agent (soda ash), causing the formerly amorphous silicon dioxide to assume its crystalline form.^ High quality filtering media for D.E. pool filters.
  • diatomaceous earth Garden 1 February 2010 1:46 UTC www.shop.com [Source type: General]

^ Pool grade DE is Diatomaceous Earth produced for pool filters and it is treated with heat, causing the formerly amorphous silicon dioxide to assume crystalline form.
  • Diatomaceous Earth 1 February 2010 1:46 UTC www.ghorganics.com [Source type: FILTERED WITH BAYES]

^ Pool filter diatomaceous earth is amorphous silica that has been heat treated forming large lump crystalline silica that makes for better filtering.
  • Yorkshire Terrier Dogs - Toybox Yorkies, Hypoglycemia, Small Dos, Toy Breeds 1 February 2010 1:46 UTC www.toyboxyorkies.com [Source type: FILTERED WITH BAYES]

.In the United States, the crystalline silica content in the dusts is regulated by the Occupational Safety and Health Administration (OSHA), and there are guidelines for the maximum amounts allowable in the product and in the air near the breathing zone of workers.^ In Asia and Europe, DE is used as a health and beauty aid to improve and strengthen hair, skin, nails, bones, and teeth due to the high silica content.

^ Data for this database was compiled from: hundreds of Material Safety Data Sheets (MSDS) of common industrial and household products; the Hazardous Materials Table from the United States "Code of Federal Regulations" title 49 section 172.101; the National Institute for Occupational Safety and Health Pocket Guide to Chemical Hazards; the US DOT 1996, 2000 & 2004 Emergency Response Guidebooks; U.S. National Library of Medicine and many other related resources.
  • Chemical Database: Silica, amorphous - diatomaceous earth (EnvironmentalChemistry.com) 1 February 2010 1:46 UTC environmentalchemistry.com [Source type: FILTERED WITH BAYES]

^ The most important differences between individual forms of DE is the shape of the diatom, content of Crystalline Silica, and the purity of the Silica Dioxide.
  • The Food Storage Faq - Specific Specifications 1 February 2010 1:46 UTC www.survival-center.com [Source type: FILTERED WITH BAYES]

[9]

See also

References

  1. ^ a b c Antonides1, Lloyd E., Diatomite, 1997, U.S.G.S. http://minerals.usgs.gov/minerals/pubs/commodity/diatomite/250497.pdf
  2. ^ a b Cummins, Arthur B., Diatomite, in Industrial Minerals and Rocks, 3rd ed. 1960, American Institute of Mining, Metallurgical, and Petroleum Engineers, pp. 303 - 319
  3. ^ Staff. "Natural Methods for Controlling Fleas."http://www.xmission.com/~emailbox/fleas.htm
  4. ^ http://www.survival-center.com/foodfaq/ff17-oxy.htm Survival Information Center
  5. ^ Goren R, Baykara T, Marsoglu M. A study on the purification of diatomite in hydrochloric acid (2002). Scand. J. of Metallurgy 31:115-119
  6. ^ Manitoba Agriculture, Food and Rural Initiatives
  7. ^ Diatomaceous Earth (DE)
  8. ^ Washington et al., Geophys. Res. Lett. 33 (2006) L09401 doi:10.1029/2006GL025827.
  9. ^ Inert Dusts at Kansas State University

External links


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