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International Standard Category: Lead, zinc, tin and their alloys

GB/T 8151.22-2020    Methods for chemical analysis of zinc concentrates—Part 22:Determination of zinc,copper,lead,iron,aluminium,calcium and magnesium contents—Wavelength dispersive X-ray fluorescence spectrometric method
锌精矿化学分析方法 第22部分:锌、铜、铅、铁、铝、钙和镁含量的测定 波长色散X射线荧光光谱法 ;
Category No.:77.120.60 Valid Status:valid
Issued Organization:AQSIQ and SAMR Issued Date:2020-09-29
Implemented Date:2021-8-1 Abolished Date:
Superseded Standard.: Superseded Date:
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