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2 013 766

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C1

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IPC

(21) (22)

Application

5037915/25, 1992-04-16

(22)

Actual filing date

1992-04-16

(45)

Published

1994-05-30

(72)

Inventor

Goncharov B.V.Goncharova N.A.Bytsan N.V.Burinskij S.V.

(73)

Holder

Sankt-Peterburgskij Gosudarstvennyj Universitet Tekhnologii I Dizajna

METHOD OF COPPER MICROCONCENTRATION DETERMINATION Russian patent published in 1994 - IPC

Abstract RU 2013766 C1

FIELD: analytical chemistry. SUBSTANCE: method involves preliminary concentration of copper ions on the fiber containing α-aminomethylenephosphoric groups at the rate of analyzed solution passing 2-5 ml/min 2,0-5,0 ml/min·cm2. Elution is carried out with sulfuric acid solution at concentration 0.10-0.25 M at the rate of passing 0.5-2.0 ml/min 0,5-2,0 ml/min·cm2 - three column volumes. EFFECT: improved method of assay. 2 tbl

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RU 2 013 766 C1

Authors

Goncharov B.V.

Goncharova N.A.

Bytsan N.V.

Burinskij S.V.

Dates

1994-05-30—Published

1992-04-16—Filed

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