METHOD FOR PRODUCTION OF TRIS-β-DIKETONATES OF RARE PLATINUM METALS Russian patent published in 1998 - IPC

Abstract RU 2105719 C1

FIELD: inorganic chemistry, synthesis of volatile complexes of tris-β-diketonates of rare platinum metals. SUBSTANCE: hexafluoro complex of platinum metal having the highest oxidation degree is brought into contact with excess of beta-diketone or with its salt, the process is carried out by heating. Reaction takes place in the presence of reducing agent in the medium of 0.1 N perchloric acid or 0.2 hydrofluoric acid. Then reaction mixture is alkalized to pH 1-7 in respect with kind of metal. Water, or 0.1 N solution of HClO4, or 0.2 N solution of HF or aliphatic alcohols of C1-C5 series or hydrazine hydrate are used as reducing agent. EFFECT: increased yield of salts. 4 cl

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RU 2 105 719 C1

Authors

Igumenov I.K.

Isakova V.G.

Morozova N.B.

Shipachev V.A.

Dates

1998-02-27Published

1996-08-14Filed