难分解金属化合物中的微波消解技术研究

Study on microwave digestion of refractory metal compounds

对微波密闭快速消解难分解的KAu(CN)_2,KAu(CN)_4Pt(NH_3)_2(NO_2)_2,K_2[Pt(NO_2)_4],Pt(NH_3)_2Cl_2,Pt(NH_3)_4Cl_2,(NH_4)_2PtCl_6,K_2Pt Cl_4,Pt(C_5H_7O_2)_2等化合物提出了的研究方法。比较了传统的分解法和微波密闭消解法的运用条件,同时利用精密电化学滴定法对Au与Pt进行了含量分析,得到结果后与H_2SO_4发烟重量法、火试金法和湿法重量法进行了结果的比对。本文旨在降低难分解金属化合物在消解过程的时间,提高效率的同时不降低消解率。

The methods for microwave confined rapid digestion of KAu（CN）2,KAu（CN）4Pt（NH3）2（NO2）2,K2[Pt（NO2）4],Pt（NH3）2Cl2,Pt（NH3）4Cl2,（NH4）2PtCl6,K2PtCl4,Pt（CsH7O2）2 and other compounds were proposed. Compared with the traditional decomposition method and microwave digestion method using conditions, while the Au and Pt were analyzed by precision electrochemical titration method, comparison results were obtained with H2SO4 after smoke fire assay gravimetric method, and the results of the wet weight method. The purpose of this paper is to reduce the time of the decomposition of metal compounds in the process of digestion and improve the efficiency while not reducing the rate of digestion.