GB/T 1819.8-2017 Methods for chemical analysis of tin concentrates—Part 8:Determination of zinc content—Flame atomic absorption spectrometric method (English Version)
2017GB/T 1819.8-2017 Methods for chemical analysis of tin concentrates—Part 8:Determination of zinc content—Flame atomic absorption spectrometric method
2004GB/T 1819.8-2004 Methods for chemical analysis of tin concentrates Determination of zinc content-Flame atomicabsorption spectrometric method
1979GB/T 1827-1979 Determination of zinc content in tin concentrates--Polarographic method