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文章主要研究对比分析在贵金属处理中微波密闭消解法与传统分解法的应用,分析了贵金属Rh,Ir,Pt和Pd等化合物含量。比较微波密闭消解法与传统分解法条件。采用精密电化学滴定法对AU和Pt含量进行分析,并于传统分解法及湿法重量法等方法进行了类比总结。结果表明,AU和Pt类中以HCI-H2O2,HCI-HNO3等类化合物的消解试剂在优化的消解条件下溶出率达100%,消解时间也优于传统分解法,大大缩短总分析流程,所测含量也传统分解法相符,所提出方法更加快速、新颖和实用。
The article mainly studies and compares the application of the closed microwave digestion method and the traditional decomposition method in the precious metal processing, and analyzes the content of the noble metal compounds Rh, Ir, Pt and Pd. Comparing microwave sealed digestion method and traditional decomposition method. The contents of AU and Pt were analyzed by precision electrochemical titration. The methods of traditional decomposition and wet weight were compared. The results showed that the digestion reagents such as HCI-H2O2, HCI-HNO3 and the like in the AU and Pt samples were optimally digested at 100% dissolution rate, and the digestion time was also superior to the traditional decomposition method, greatly reducing the total analysis process, Measured content is also consistent with the traditional decomposition method, the proposed method is more rapid, innovative and practical.