感光材料用高纯AgNO_3的制备工艺  

Preparation High Pure AgNO_3 for Photo Industry

作　　者：资定红[1] 吴国元[2] 张樱[1] 刘正华[1] 杨茂才[1] 

机构地区：[1]昆明贵金属研究所,云南昆明650221 [2]云南大学材料科学与工程系,云南昆明650091

出　　处：《贵金属》2003年第3期50-53,共4页Precious Metals

基　　金：八五国家重点科技攻关项目 (85 -911-0 3 -0 1)

摘　　要：研究了结晶法制备感光材料用AgNO3的工艺 ,经过实验室小试和扩大试验 ,制备的产品已达到国家感光材料 2级AgNO3指标 ,主要金属离子指标已达到国家感光材料 1级AgNO3标准 ,尤其是由感光行业提出的杂质Hg指标 ,稳定在 <5× 1 0 - 9。A new technology of preparing AgNO_3 for sensitive industry was studied by crystallizing method. The quality of produced AgNO_3 has come up to grade 2 of Chinese photo industry standard. The contents main metal ions can meet the quality of grade 1 of Chinese photo industry standard, and the content of Hg in the AgNO_3 is especially steadily less than 5×10 -9 .

关 键 词：感光材料 硝酸银 制备 结晶法 湿法冶金 

分 类 号：TQ57[化学工程—精细化工] TF832[冶金工程—有色金属冶金]