论文部分内容阅读
在高纯铟的质量控制中,铝是必须测定的杂质元素之一。由于铝、铟属于同族元素,性质十分相近,因此,二者共存时通常需预先分离再行测定,手续烦琐。Саввин等曾拟定在醋酸丙醇混合介质中用硝基磺酚S为显色剂测定铝,可允许6000倍铟存在,但只允许含水2—3％,条件苛刻,处理不便,且铟的允许量仍不能满足要求。铬天青S(CAS)与铝及表面
In the quality control of high purity indium, aluminum is one of the impurity elements that must be measured. As aluminum and indium belong to the same group of elements, the properties are very similar, therefore, when the two coexist, they usually need to be separated and measured in advance, and the procedure is cumbersome. Саввин, etc. have been proposed in acetic acid propanol mixed media with nitrethroid S as a reagent for the determination of aluminum, allowing 6000 times the presence of indium, but only 2-3% water content, harsh conditions, handling inconvenience, and indium allows The amount still can not meet the requirements. Chromium Azure S (CAS) with Aluminum and Surface