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diatomaceous earth
(redirected from Celite)

   Also found in: Encyclopedia, Wikipedia 0.12 sec.
di·a·to·ma·ceous earth (d-t-mshs, d-t-)
n.
A powder made of the desiccated shells of diatoms, used as a filtering agent, adsorbent, and abrasive in many chemical operations.

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).


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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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