树脂相－因子分析光度法同时测定金、钯的研究  

Study on the Simultaneous Determination of Au and Pbby Ion Exchange Resin Phasese-Factor Analysis Spectrophotometry

作　　者：王洪艳[1] 王多禧[1] 任春玲 王创影 

机构地区：[1]长春地质学院应用化学系

出　　处：《冶金分析》1995年第6期1-4,共4页Metallurgical Analysis

摘　　要：本文根据Ａｕ￣（３＋）、Ｐｄ￣（２＋）易与Ｃｌ￣－形成稳定络阴离子被阴离了交换树脂所吸附的特点，较好地解决了贵金属的富集及与大部贱金属的分离问题，提高了分析的选择性和灵敏度。以硫代米酮（ＴＭＫ）为显色剂，采用迭代目标转换因子分析法解析体系重叠进进行多组份同时测定。该方法将富集、分离和显色结合在一起，操作简便，灵敏度高，选择性好。用本文方法测定Ａｕ、Ｐｄ混合物样品，标准偏差Ａｕ为０．０４５，Ｐｄ为０．０３１。方法检出限Ａｕ为０．００５４μｇ／ｍｌ，Ｐｄ为０．００８３μｇ／ｍｌ，符合痕量元素分析要求，取得较理想的结果。According to the Properties of Au^(3+) and pd^(2+) easy forming complex anion with Cl^-， AuCl^-_4 and PdCl^(2-)_4 are absorbedby anion exchange asin， and the problem of concentrating noble metal and sepamting from base metal has been resolved bet-ter,so the selectivity and sensitivity of analysis are heightened.Using thiomichersketone (TMK) as the developing ageveloping agent, the mixtures of Au and Pd have been analysed with iterative target transformation factor analysis spectrophotometric method. Thestandard deviation of Au and Pb are 0. 0455, 0. 031,respectively.The limit of determination is 0. 0043μg/mg resin for Au:0．006μg/mg resin for Pd, respectively, which meet the requirements of trace elements analysis.

关 键 词：金 钯 树脂相光度法 因子分析法 

分 类 号：O614.123[理学—无机化学] O657.39[理学—化学]