diatomaceous earth


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di·a·to·ma·ceous earth

a powder made of desiccated diatom material; used as a filtering agent, adsorbent, and abrasive in many chemical operations.

di·a·to·ma·ceous earth

(dī'ă-tŏ-mā'shē-ŭs ĕrth)
A powder made of desiccated diatom material; used as a filtering agent, adsorbent, and abrasive in many chemical operations.

diatomaceous earth

Silica containing fossilized shells of microscopic algae with a siliceous or calcium-containing cell wall. It is used in insulating material and filters and as an absorbent. Synonym: diatomite
References in periodicals archive ?
Diatomaceous earth in dust form was applied with a DeVilbis model 15 atomizer (DeVilbis Healthcare, Port Washington, New York, USA); about 5 puffs were applied to 4.8-cm diam discs of lettuce, resulting in a very light but visually discernable covering of dust over the entire surface of the leaf.
The diatomaceous earth shows a whitish color and has intercalated sandy beds (Caetano et al., 2006).
The vermicompost of sewage sludge, plant residues and diatomaceous earth at the proportion of 30.12% (v/v), despite reducing the contents of the nutrients, meets all criteria established for agricultural use, registration and commercialization of the product as organic compost, as established in the Normative Instructions 25/2009 and 27/2006 of the Ministry of Agriculture.
anisopliae in the presence of diatomaceous earth can be used effectively in the integrated management programs of S.
Combination of diatomaceous earth and powder deltamethrin for insect control in stored corn.
This was followed by oven drying for 24 hours to eliminate moisture which affects the effectiveness of diatomaceous earth [11].
It uses a diatomaceous earth filter, which is changed weekly.
A number of inorganic materials, including porous ceramics, diatomaceous earth, and zeolites, are currently marketed as alternatives to SP for construction of sand-based rootzones.
LATE 1950s Employing technology used in WWII, diatomaceous earth (DE) is introduced as a filter medium.
per hour, AccuFeed is said to be accurate to [+ or -] 1 to 2 percent in feeding material such as lime, activated carbon, alum, diatomaceous earth, and other treatment chemicals.
MAX-ACT reagent tubes offer a more heparin-specific and reproducible alternative for activated clotting time (ACT) testing than traditional single-activator tubes that use diatomaceous earth, kaolin, glass beads, or silica with varying results.
Coated with diatomaceous earth, which is self-drying, the kernels become tiny, easily applied granules.