KS E ISO 15248-2022 Zine sulfide concentrates-Determination of silver and gold contents-Fire assay and flame atomic absorption spectrometric method using scorification or cupellation
2022KS E ISO 15248-2022 Zine sulfide concentrates-Determination of silver and gold contents-Fire assay and flame atomic absorption spectrometric method using scorification or cupellation
0000 KS E ISO 15248-2007(2017)
2007KS E ISO 15248:2007 Zine sulfide concentrates-Determination of silver and gold contents-Fire assay and flame atomic absorption spectrometric method using scorification or cupellation