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2 195 509

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Application

2001106887/02, 2001-03-13

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Start date

2001-03-13

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Actual filing date

2001-03-13

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Published

2002-12-27

(72)

Inventor

Rjumin A.I.Sorkinova G.A.Shul'Gin D.R.Mal'Tsev Eh.V.Prokop'Ev S.N.Besprozvannykh I.V.

(73)

Holder

Oao Zavod Tsvetnykh Metallov Imeni V.N. Gulidova"

METHOD OF PRODUCING REFINED PALLADIUM FROM CRUDE SALT OF TRANS-DICHLORODIAMMINOPALLADIUM Russian patent published in 2002 - IPC

Abstract RU 2195509 C2

FIELD: non-ferrous metallurgy, in particular, affinage of platinum metals. SUBSTANCE: method involves providing additional purification of crude salt solution of trans-dichlorodiamminopalladium from contaminants by treating with orthophosphate solution at consumption rate of 0.03-0.05 g of phosphate-ion per gram of palladium. Method allows irreversible losses of platinum with refined palladium to be reduced. EFFECT: reduced labor intensity, decreased production costs and improved quality of ready product. 2 tbl, 1 ex

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RU 2 195 509 C2

Authors

Rjumin A.I.

Sorkinova G.A.

Shul'Gin D.R.

Mal'Tsev Eh.V.

Prokop'Ev S.N.

Besprozvannykh I.V.

Dates

2002-12-27—Published

2001-03-13—Filed

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