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2 023 257

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IPC

(21) (22)

Application

4927788/04, 1991-04-15

(22)

Actual filing date

1991-04-15

(45)

Published

1994-11-15

(72)

Inventor

Shormanov V.K.Piterskaja M.V.Vanina M.D.

(73)

Holder

Shormanov Vladimir Kambulatovich

SACHAROSE DETERMINATION METHOD Russian patent published in 1994 - IPC

Abstract RU 2023257 C1

FIELD: analytical chemistry. SUBSTANCE: method involves the steps of: treating a sample to be analyzed by a concentrated sulfuric acid containing 10% of potassium nitrate under heating conditions at 60 degrees C, diluting a reaction mixture with water, alcalizing with sodium hydroxide solution, then providing pH of medium equal to 5, treating with crystalline violet solution, extracting a reaction product with toluene and photometering the extract. EFFECT: enhanced accuracy. 1 dwg

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RU 2 023 257 C1

Authors

Shormanov V.K.

Piterskaja M.V.

Vanina M.D.

Dates

1994-11-15—Published

1991-04-15—Filed

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