Use of surfactants in the production of metal

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

Reexamination Certificate

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C423S001000

Reexamination Certificate

active

07862785

ABSTRACT:
An aqueous sulfuric acid-containing composition which comprises at least one surfactant, and a process for extricating metal from metal-containing materials with the aid of this aqueous sulfuric acid-containing composition are described.

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