Diatomaceous Earth is a naturally occurring sedimentary rock made of fossilized remains of a type of hard-shelled algae. It has low density and high porosity, giving it numerous beneficial uses in the laboratory. The typical chemical composition of Diatomaceous earth is about 80-90% silica, 2-4% alumina and up to 2% iron oxide. Diatomaceous Earth is widely used in the industry as a highly-effective filtration aid thanks to its unique properties.
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