论文部分内容阅读
混合铅锌精矿化学分析方法中的砷、镉、铜等杂质的含量,是采用每个元素分别测定的方法,测定周期长,分析成本高。因此,作者提出采用一次溶样,用电感耦合等离子体原子发射光谱法(即ICP-AES法)对原标准中砷、镉、铜同时进行测定,并增加了钴、铋、镍、锑4种杂质元素的测定。经大量的试验和实际样品测定,结果表明该方法快速,准确、可靠,加标回收率均在95%~106%之间。能够满足混合铅锌精矿中砷、铋、镉、钴、铜、镍、锑含量的测定要求。
The contents of arsenic, cadmium, copper and other impurities in the mixed lead-zinc concentrate chemical analysis method are determined by using each element separately, and the measurement period is long and the analysis cost is high. Therefore, the authors proposed the simultaneous determination of arsenic, cadmium and copper in the original standard using inductively coupled plasma atomic emission spectrometry (ie, ICP-AES method) using a single sample solution and adding cobalt, bismuth, nickel, antimony 4 Determination of impurity elements. The results of a large number of tests and actual samples show that the method is rapid, accurate and reliable, and the recoveries of spiked samples are between 95% and 106%. It can meet the determination requirements of arsenic, bismuth, cadmium, cobalt, copper, nickel and antimony in mixed lead-zinc concentrates.