- infusorial silica
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• горная мука• диатомит• инфузорная земля• кизельгур
English-Russian dictionary of geology. 2011.
infusorial silica
Смотреть что такое "infusorial silica" в других словарях:
infusorial earth — a silicon rich earth composed mostly of fragments of diatoms; by boiling with dilute hydrochloric acid, washing, and calcining, it can be so purified as to be a very pure form of silica (terra silicea purificata). It is often mixed with clay and… … Medical dictionary
diatom — An individual of microscopic unicellular algae, the shells of which compose a sedimentary infusorial earth. [G. diatomos, cut in two] * * * di·a·tom dī ə .täm n any of a class (Bacillariophyceae) of minute planktonic unicellular or colonial algae … Medical dictionary
siliceous earth purified — [NF] a form of silica (infusorial e.), SiO2, purified by boiling with acid, washing, and calcining; used as a pharmaceutical filtering agent … Medical dictionary
