摘要
对以杂银为原料经化学分离、提纯制成高纯银粉 ,再进一步生产出试剂级和高纯级硝酸银的工艺原理、方法、流程和经济效益进行了分析、探讨 。
The principle,method,technology flow path and economic results for preparation of ultra pure silver nitrate from low grade silver were investigated.The points for attention in the course of production were indicated.
出处
《信阳师范学院学报（自然科学版）》
CAS
2001年第3期327-328,共2页
Journal of Xinyang Normal University(Natural Science Edition)
关键词
杂银
高纯硝酸银
铜置换
水合肼还原
生产工艺
盐酸沉淀
回收率
low grade silver
ultra pure silver nitrate
hydrazine hydrate reducing method
copper reducing method
