kieselguhr


Also found in: Dictionary, Thesaurus, Medical, Wikipedia.

kieselguhr

(kē`zəlgo͝or'): 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.
..... Click the link for more information.
.

kieselguhr

[′kē·zəl‚gu̇r]
(geology)

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 ?
The procedures were repeated for natrium carbonate with molarity of 2M and 3M as well as natrium caseinate, calcium hydroxide and kieselguhr.
"We concluded that kieselguhr may be a significant source of arsenic contamination in beer," Coelhan said.
An aliquot of 50 [micro]L (testosterone) or 250 [micro]L (nandrolone) was applied to a glass Pasteur pipette three-quarter filled with dry kieselguhr (Extrelut[R]; E.
The liquid had been absorbed by the packing, however, which consisted of diatomaceous earth, or kieselguhr (made up of the siliceous skeletons of myriads of microscopic diatoms).
For minerals whose extraction comes under the heading of mining, such as graphite, fluorspar, kaolin, quartz and quartzite, feldspar, pegmatitic sand, special clay, kieselguhr, bentonite, silica, steatite, talc schist, building and moulding sand as well as volcanic breccia output went up by 4.8% to 25.6 Mt.
Which explosive mixture of nitroglycerine and kieselguhr was devised by Alfred Nobel?
The process is based upon Cross Flow micro filtration, which in the past has been tried and tested many times, but has never been able to become a technically and economically feasible alternative to conventional kieselguhr filtration.
Diatomaceous earth, also known as diatomite, or kieselguhr, has been used as a filter aid in the United States food process industry since 1913.
Kieselguhr pre-filtered beer is sufficient, a sheet filter is not necessary.