diatomaceous earth


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diatomaceous earth:

see diatomdiatom
, unicellular organism of the kingdom Protista, characterized by a silica shell of often intricate and beautiful sculpturing. Most diatoms exist singly, although some join to form colonies.
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diatomaceous earth

[¦dī·ə·tə¦mā·shəs ′ərth]
(geology)
A yellow, white, or light-gray, siliceous, porous deposit made of the opaline shells of diatoms; used as a filter aid, paint filler, adsorbent, abrasive, and thermal insulator. Also known as kieselguhr; tripolite.

diatomite, diatomaceous earth, kieselguhr

A white or light gray, chalky, natural siliceous material; obtained by mining deposits of fossil remains of small marine life; used as an extender in paints, as an aggregate in lightweight concrete, as a waterproofing material in portland cement, as a filter for water, and as an abrasive.
References in periodicals archive ?
Diatomaceous earth can be vermicomposted, even soaked in biofuel oil, in quantities of up to 30.
anisopliae in the presence of diatomaceous earth can be used effectively in the integrated management programs of S.
Punctured fruit and total damage were 3-fold greater in untreated fruit compared to fruit treated with either diatomaceous earth, kaolin clay, or Requiem ([[chi].
1] (5% neem oil)] (Fertirico, Curitiba, PR, Brazil); diatomaceous earth (DE) (KeepDry[R]) (Vet Quimica, Campinas, SP, Brazil) (1g [kg.
In the current study Protect-It[TM] (Hedley Technologies Inc, USA), and inert dust formulation containing 90% diatomaceous earth (DE) and 10% silica gel was tested for effectiveness to control T.
The average calculated heat transfer for diatomaceous earth was--2.
It uses a diatomaceous earth filter, which is changed weekly.
Buffalo Grove, IL), hereafter referred to as zeolite, diatomaceous earth, vitrified clay, and calcined clay, respectively.
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.