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曾试验过多种处理工艺[85~87],国内用于工业生产的有盐酸-FeCl3浸出流程和硫酸浸出-硝...产出白色海绵状银粉,成分(%)为:99.983Ag,0.002Pb,0.0006Cu,0.004Sb,0.0025Bi,0.0075Fe。 ...
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