GB/T 6730.34-2017(\u82f1\u6587\u7248)
铁矿石 锡含量的测定 邻苯二酚紫-溴化十六烷基三甲胺分光光度法
YS/T 445.3-2019
Methods for chemical analysis of silver concentrates-Part 3: Determination of arsenic content-Hydride generation-atomic fluorescence spectrometry and potassium bromate titrimetric method