氯化银还原精炼技术  

Technique of reducing refining of silver chloride

作　　者：贺小塘[1] 

机构地区：[1]昆明贵金属研究所

出　　处：《黄金》1998年第2期36-38,共3页Gold

摘　　要：在分析银与贱金属、金、铂族金属分离富集的基本化学原理的基础上，评述了水合肼、甲醛、锌粉、铁粉还原氯化银和碳酸钠熔炼还原氯化银技术，比较了各种还原方法的优缺点。Based on analysis of fundamental chemical principle of the separation and enrichment of silver from base metal,gold,matals of platium family,this paper made a review of the technique of reducing silver chloride by using hydrazine hydrate as well as formaldehyde ,zinc dust,iron powder and by smelting with sodium carbonate added.Besides,the comparisons among various reducing methods are made in this paper.

关 键 词：氯化银 还原 炼银 精炼 

分 类 号：TF832.04[冶金工程—有色金属冶金]