SENSITIVE INDICATOR ELEMENT FOR HEAVY METAL IONS ASSAY Russian patent published in 1996 - IPC

Abstract RU 2056628 C1

FIELD: analytical chemistry. SUBSTANCE: sensitive indicator element for determination of lead, mercury and uranium ions consists of the solid carrier and photometric organic reagent. Solid carrier is copolymer of vinylpyrrolidone and methacrylate and polyamide mean-basic diaphragms on the basis of poly-ε-caproamide and polysulfoneamide. Organic reagents: ГОЦАХ, dithizone and arsenazo-111 at concentration 1-2 mg/1 g carrier. EFFECT: improved method of assay. 5 cl

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RU 2 056 628 C1

Authors

Dzherajan T.G.

Mikhalovskaja A.V.

Savvin S.B.

Dates

1996-03-20—Published

1992-12-28—Filed