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| International Standard Category: Lead, zinc, tin and their alloys |
YS/T 1149.6-2016 Methods for chemical analysis of zinc concentrate roasting—Part 6:Determination of acid-soluble iron content—Flame atomic absorption spectrometry and Na2EDTA titration method
锌精矿焙砂化学分析方法 第6部分：酸溶铁量的测定 火焰原子吸收光谱法和Na2EDTA滴定法 ;
| Category No.: | 77.120.60 | Valid Status: | valid |
| Issued Organization: | Ministry of Industry and Information Technology | Issued Date: | 2016-07-11 |
| Implemented Date: | 2017-1-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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