摘要
以还原金粉为原料 ,采用鼓氧氰化法合成了氰化亚金钾。保持金粉过量投料 ,控制氰化亚金钾溶液的浓缩水量是得到高纯度和高收率产品的关键。此方法具有产品纯度高、生产操作简单、生产成本低和环保要求低等优点 ,适合中小企业生产。
In this paper, we report a novel method for producing high purity potassium aurous cyanide [KAu(CN) 2] by using air blast cyanidation method. The reduced gold powder was used as a gold source and kept excessive in the process of producing KAu(CN) 2. The amount of water evaporated from the solution of KAu(CN) 2 should be controlled strictly so as to obtain high quality product.
出处
《黄金》
CAS
2002年第5期34-36,共3页
Gold
基金
江苏省教育厅自然科学基金资助项目 (0 0KJB15 0 0 12 )
关键词
氰化亚金钾
鼓氧氰化法
高纯度
potassium aurous cyanide
air blast cyanidation
high purity
