FIELD: analytical methods. SUBSTANCE: aim of invention is rapidly determining hydrazine and its 1-substituted alifatic and aromatic derivatives in drinking water, natural and waste waters, air, and soil on the level of permissible and hazardous concentrations. Reactive paper consists of chromatographic paper based on cellulose with tetrahydro-12- molybdosilicate groups and is manufactured by applying indicator onto epoxydized chromatographic paper, the indicator being potassium tetrahydro-12-molybdosilicate in weight ratio to paper from 1:2 to 1:4, followed by heat treatment of paper at 95-150 C for 1-30 min. EFFECT: improved reactive paper manufacturing procedure. 2 cl, 2 tbl
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