论文部分内容阅读
本文采用SeS_3~(2-)—KIO_3体系示波催化波法,测定了矿物中的痕景硒。硒在-0.56V处产生催化极谱波。检出限为0.04ppb,相对标准偏差为2.79%,同收率为90.0~97.8%。
In this paper, SeS_3 ~ (2 -) - KIO_3 system oscillographic catalytic wave method was used to determine the trace selenium in minerals. Selenium generates a catalytic polarographic wave at -0.56V. The detection limit was 0.04ppb, the relative standard deviation was 2.79%, the same yield was 90.0 ~ 97.8%.