YS/T 1512.4-2021 Methods for chemical analysis of copper smelting smoke Part 4: Determination of bismuth content Flame atomic absorption spectrometry and Na2EDTA titration (English Version)
2021YS/T 1512.4-2021 Methods for chemical analysis of copper smelting smoke Part 4: Determination of bismuth content Flame atomic absorption spectrometry and Na2EDTA titration