kieselguhr


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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.
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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 ?
All concentration of natrium caseinate, calcium hydroxide and kieselguhr give an indication (as illustrated on the TLC plate) of capturing rotenone inside the precipitate.
We concluded that kieselguhr may be a significant source of arsenic contamination in beer," Coelhan said.
The extract was redissolved in 1 mL of warm assay buffer and then reextracted on a kieselguhr column before air-drying overnight in a fume hood.
The soaked kieselguhr remained dry, and Nobel experimented with the mixture.
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.
For every 1,000 tonnes of beer produced, up to 173 tonnes of solid waste may be created in the form of spent grain, trub from wort production, waste yeast and kieselguhr.