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2 006 860

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C1

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IPC

(21) (22)

Application

4950145/25, 1991-05-05

(22)

Actual filing date

1991-05-05

(45)

Published

1994-01-30

(72)

Inventor

Puretskaja N.A.Shishkina N.A.Jufereva I.E.

(73)

Holder

Kirovo-Chepetskij Khimicheskij Kombinat

METHOD OF ANION ASSAY BY CHROMATOGRAPHY Russian patent published in 1994 - IPC

Abstract RU 2006860 C1

FIELD: analytical chemistry. SUBSTANCE: method involves analysis of anions by ionic chromatography. Sorbent for chromatography is obtained by sulfonation of medium-cross-linked strong basic styrene-divinylbenzene anion-exchange resin containing 8% divinyl-benzene (fraction 20-35 microns). Column size for chromatography: 100 x 3,5 mm, elutriating agent is hydrocarbonate solution containing 1,2-1,5 mmole HCO-3

. Method provides quantitative determination of acetate and formate ions in the presence of fluoride ion, and distinct separation of peaks obtained. Selectivity coefficient is 1,6 and 2,5, respectively, analysis time - 60 min. EFFECT: improved method of analysis. 2 cl, 2 dwg

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RU 2 006 860 C1

Authors

Puretskaja N.A.

Shishkina N.A.

Jufereva I.E.

Dates

1994-01-30—Published

1991-05-05—Filed

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