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2 045 042

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C1

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IPC

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Application

4944040/25, 1991-06-10

(22)

Actual filing date

1991-06-10

(45)

Published

1995-09-27

(72)

Inventor

Avzalov A.F.Litvinenko A.N.Vlaskova V.P.Maluev A.V.Surovezhko M.A.

(73)

Holder

Ul'Janovskoe Vysshee Voenno-Tekhnicheskoe Uchilishche Im.Bogdana Khmel'Nitskogo

METHOD OF DETERMINATION OF MASS CONCENTRATION OF HYDRAZINE FUEL IN SEWAGE Russian patent published in 1995 - IPC

Abstract RU 2045042 C1

FIELD: analytical chemistry. SUBSTANCE: method involves sample taking, pH adjusting of solution, addition of color reagent followed by determination of fuel concentration in sewage. For pH adjusting 28-30% aqueous solution of sodium hydroxide is used, and Nessler reagent is used as color reagent. Fuel concentration is determined by photometry method. EFFECT: improved method of analysis. 1 dwg, 1 tbl

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RU 2 045 042 C1

Authors

Avzalov A.F.

Litvinenko A.N.

Vlaskova V.P.

Maluev A.V.

Surovezhko M.A.

Dates

1995-09-27—Published

1991-06-10—Filed

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