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diatomaceous earth |
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earth 1. soil; softer part of the land, as distinct from rock. 2. metallic oxides in the form of unchangeable powder. diatomaceous earth a fine white powder composed of the siliceous skeletons of diatoms; used in treating diarrhea and as a feed additive. Called also infusorial earth, purified siliceous earth. infusorial earth see diatomaceous earth (above). siliceous earth see diatomaceous earth (above). How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The extract was then dried over anhydrous sodium sulfate and cleaned up using the following column chromatography procedures: a) layered acidic-basic silica gel column, eluted with hexane; b) activated alumina column, eluted with hexane (discarded) followed by elution with 1:1 dichloromethane: hexane (collected); c) carbon on celite column (4. New York-based Alleghany completed the purchase of all of Manville's worldwide filtration and industrial minerals businesses, known as Celite Corporation. Prior to SkyStream, he was vice president of marketing, business development, and international sales at Celite Systems. |
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