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2 009 470

(13)

(51)

IPC

(21) (22)

Application

5012033/04, 1991-07-03

(22)

Actual filing date

1991-07-03

(45)

Published

1994-03-15

(72)

Inventor

Egorov V.V.Koleshko L.V.

(73)

Holder

Nauchno-Issledovatel'Skij Institut Fiziko-Khimicheskikh Problem Belorusskogo Gosudarstvennogo Universiteta

METHOD FOR CARBON ALIPHATIC ACIDS AND ITS MIXTURE DETECTING Russian patent published in 1994 - IPC

Abstract RU 2009470 C1

FIELD: chemical technology. SUBSTANCE: method includes acids extraction from low-acid medium by toluene and hexanol or heptanol 1-2% solution using. Extract is treating by toluene solution of higher sensitivity basic ion salt (SBI) and n-nitrophenol with following photometry. Acids concentration is determining by organic phase optical density decreasing with respect to initial SBI solution optical density. EFFECT: more effective method for carbon aliphatic acids detecting. 1 tb

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RU 2 009 470 C1

Authors

Egorov V.V.

Koleshko L.V.

Dates

1994-03-15—Published

1991-07-03—Filed