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IPC

(21) (22)

Application

3155769/04, 1986-11-10

(22)

Actual filing date

1986-11-10

(45)

Published

1998-05-27

(72)

Inventor

Potrokhov V.K.Malinina A.M.Valejko L.I.Klimova N.I.

(73)

Holder

Rossijskij Nauchnyj Tsentr Khimija"

METHOD FOR DETERMINATION OF UNSYMMETRICAL DIMETHYLHYDRAZINE, HYDRAZINE AND NITRITE ION IN WATER Russian patent published in 1998 - IPC

Abstract RU 2112236 C1

FIELD: analysis of rocket fuel components. SUBSTANCE: analyzed sample is decolorized. The process takes place with the help of calcium oxide, their mass ratio being 1:0.05-0.15. Then 66-70 % solution of orthophosphoric acid is added, mass ratio of calcium oxide and fluorophosphoric acid being 1:0.2-0.4. Thus obtained decolorized solution is separated, coloring reagent is added into and colometric analysis is carried out. EFFECT: improved efficiency of the method. 2 tbl

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RU 2 112 236 C1

Authors

Potrokhov V.K.

Malinina A.M.

Valejko L.I.

Klimova N.I.

Dates

1998-05-27—Published

1986-11-10—Filed

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