发明授权
US5171559A Process for purifying silver nitrate solution using activated alumina
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使用活性氧化铝净化硝酸银溶液的方法
- 专利标题: Process for purifying silver nitrate solution using activated alumina
- 专利标题(中): 使用活性氧化铝净化硝酸银溶液的方法
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申请号: US732879申请日: 1991-07-19
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公开(公告)号: US5171559A公开(公告)日: 1992-12-15
- 发明人: Kikuo Ando
- 申请人: Kikuo Ando
- 申请人地址: JPX Kanagawa
- 专利权人: Fuji Photo Film Co., Ltd.
- 当前专利权人: Fuji Photo Film Co., Ltd.
- 当前专利权人地址: JPX Kanagawa
- 优先权: JPX2-189438 19900719
- 主分类号: B01J20/08
- IPC分类号: B01J20/08 ; C01F7/02 ; C01G5/00
摘要:
A process for removing heavy metals from a silver nitrate solution is disclosed. The process comprises the step of bringing said silver nitrate solution into contact with activated alumina having a surface acidity of at least 8 and an average pore diameter of not more than 50 .ANG..
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