Recovery of antimony sulfides

Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Alkali metal

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423 87, 423561R, C01B 2900

Patent

active

040297411

ABSTRACT:
A process is disclosed for separating antimony sulfides from solutions comprising anitmony sulfides and arsenic sulfides by subjecting the solution to partial oxidation within prescribed pH limits in order to oxidize and precipitate a substantial portion of the antimony sulfides while leaving substantially all of the arsenic sulfides in solution.

REFERENCES:
patent: 2348360 (1944-05-01), Reed
patent: 3911078 (1975-10-01), Nadkarni et al.

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