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2 009 471

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IPC

(21) (22)

Application

5032549/04, 1992-03-17

(22)

Actual filing date

1992-03-17

(45)

Published

1994-03-15

(72)

Inventor

Chernova R.K.Gusakova N.N.Eremenko S.N.Kosheleva L.G.Trojanova I.N.

(73)

Holder

Nauchno-Issledovatel'Skij Institut Khimii Pri Saratovskom Gosudarstvennom Universitete Im.N.G.Chernyshevskogo

METHOD FOR BENZIDINE AND 3,3-DIMETHOXIBENZIDINE PRESENCE AMOUNT DETERMINING Russian patent published in 1994 - IPC

Abstract RU 2009471 C1

FIELD: chemical technology. SUBSTANCE: sampling under investigating is treated by solution of 4,56: 10M-4,56: 10M n-dimethyl aminocinnamic aldehyde in presence of sodium dodecylsulfate with concentration 4,0: 10M-4,0: 10M in medium of citrate buffer solution with pH factor equal to 2,0-5,0. EFFECT: quite sufficient method for cited in title agents determining.

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RU 2 009 471 C1

Authors

Chernova R.K.

Gusakova N.N.

Eremenko S.N.

Kosheleva L.G.

Trojanova I.N.

Dates

1994-03-15—Published

1992-03-17—Filed