氰化银钠;氰银酸钠
By evaluating the quality of coating under different current densities and pH values, an optimal sodium thiosulphate cyanide-free silver plating process is acquired.
通过改变阴极电流密度、pH值,考察对银镀层质量的影响,得到最佳的硫代硫酸钠无氰镀银工艺。
Recovery of silver from silver manganite with chloride roasting cyanide leaching process are studied. The effects of sodium chloride addition, particle size of ore sample, roasting time, roasting temperature on recovery rare of silver are examined.
研究了以氯化焙烧-氰化浸出工艺从银锰矿中回收银,考察了氯化钠加入量、矿石粒度、焙烧时间、焙烧温度对银浸出率的影响。
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