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2 119 161

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IPC

(21) (22)

Application

97108380/13, 1997-05-20

(22)

Actual filing date

1997-05-20

(45)

Published

1998-09-20

(72)

Inventor

Akulinin V.E.Ruvinskij O.E.Sharudina S.Ja.

(73)

Holder

Kubanskij Gosudarstvennyj Tekhnologicheskij Universitet

METHOD OF POTENTIOMETRIC DETERMINATION OF ACID NUMBER OF VEGETABLE OILS Russian patent published in 1998 - IPC

Abstract RU 2119161 C1

FIELD: food industry. SUBSTANCE: in potentiometric procedure, toxic nonaqueous solvents are substituted by water-alcohol solution. Weighed sample of vegetable oil is mixed with organic solvent, to which at most 0.5 cu. cm of standard 0.03-0.08 M oleic acid has been added and pH value of mixture measured. Sample-containing mixture is once more supplemented with 0.03-0.08 M oleic acid and pH value of resultant mixture is also measured. Acid number of vegetable oil is calculated using known formula. EFFECT: improved environmental condition. 11 tbl

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RU 2 119 161 C1

Authors

Akulinin V.E.

Ruvinskij O.E.

Sharudina S.Ja.

Dates

1998-09-20—Published

1997-05-20—Filed

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