METHOD OF AQUEOUS MEDIUM TOXICITY ASSAY Russian patent published in 1994 - IPC

Abstract RU 2007713 C1

FIELD: analytical chemistry, physical and chemical analysis. SUBSTANCE: method involves addition of testing mixture in analyzed water. Mixture consists of leucoform of triphenylmethane dye and glycol reagent at the ratio = (0,5-1): (0,0005-0,0015). Water is considered to be toxic if absorption value is above 0,3 micro g -equiv. / l. EFFECT: improved method of assay. 3 tbl

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RU 2 007 713 C1

Authors

Ehrnestova L.S.

Vlasova G.V.

Dates

1994-02-15—Published

1991-06-28—Filed