Preparation of metal silver powder by directly hydrgen reduction of silver sulfate in alkali water slurry

The present invention relates to a new method for preparing metal silver powder by making silver sulfide undergo the process of direct hydrogen reduction in alkaline slurry. It is mainly characterized by that in the slurry a proper quantity of alkali can be added so as to regulate pH value to about...

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1. Verfasser: HUANZHEN,TANG LIANG
Format: Patent
Sprache:eng
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