METHOD OF PHOTOCOLORIMETRIC DETECTION OF ASYMMETRICAL DIMETHYLHYDRAZINE IN AQUEOUS SOLUTIONS Russian patent published in 1998 - IPC

Abstract RU 2114417 C1

FIELD: analytical control of compounds exhibiting toxic properties. SUBSTANCE: hydroxylamine of hydrochloric acid and sodium hydroxide are injected into analyzed substance, prepared mixture is blown through with inert gas during boiling, dimethylhydrazine released with it is let pass through mixture of n-nitrobenzaldehyde in ethyleneglycol and acetic acid with subsequent photometering of obtained solution. EFFECT: increased authenticity of method. 2 tbl

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RU 2 114 417 C1

Authors

Potrokhov V.K.

Malinina A.M.

Klimova N.I.

Dates

1998-06-27—Published

1981-04-10—Filed