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1 568 451

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A1

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IPC

(21) (22)

Application

3099662/26, 1984-06-27

(22)

Actual filing date

1984-06-27

(45)

Published

1995-02-27

(72)

Inventor

Nazarov P.P.Chuveleva Eh.A.Firsova L.A.Kharitonov O.V.

METHOD OF BERKELIUM ISOLATION FROM SOLUTIONS Russian patent published in 1995 - IPC

Abstract SU 1568451 A1

FIELD: chromatographic separation of actinides. SUBSTANCE: method is carried out by sorption on the sulfocationite in cupric or nickel form following by successive elution with solution of diethylenetriaminepentaacetate cobalt at concentration 10-20 g/l at pH 2.3-2.4 and then - with solution of diethylenetriaminepentaacetate alkaline metal or ammonium at concentration 10-20 g/l at pH 6.8-7.3. Coefficient of berkelium purification is 105, berkelium yield is 100% . EFFECT: increased yield and purification degree of berkelium from californium. 1 tbl

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SU 1 568 451 A1

Authors

Nazarov P.P.

Chuveleva Eh.A.

Firsova L.A.

Kharitonov O.V.

Dates

1995-02-27—Published

1984-06-27—Filed

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