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Chinese National Standard Category: Heavy metal ore |
English Title: | The methods for chemical analysis of lead and zinc bulk concentrates - The determination of iron content - The Na2EDTA titrimetric method |
Chinese Title: | 混合铅锌精矿化学分析方法 铁量的测定Na |
Standard No.: | YS/T 461.2-2003 |
Category No.: | D42 |
Issued by: | NDRC |
Issued on: | 2003-12-29 |
Implemented on: | 2003-12-29 |
Status: | superseded |
Superseded by: | YS/T 461.2-2013 The Methods for Chemical Analysis of Lead and Zinc Bulk Concentrates - Part 2: The Determination of Iron Content - The Na2EDTA Titrimetric Method |
Superseded on: | 2014-3-1 |
Abolished on: | |
Superseding: | |
Word Count: | 2500 words |
Similar Standards: | GB/T 3257.8-1999 GB/Z 39124-2020 YS/T 341.4-2016 YS/T 1115.5-2016 YS/T 1115.6-2016 YS/T 1115.2-2016 YS/T 1115.12-2016 YS/T 1115.7-2016 YS/T 1115.11-2016 YS/T 1115.3-2016 YS/T 1050.10-2016 YS/T 1115.14-2016 YS/T 1115.4-2016 YS/T 1115.9-2016 YS/T 1115.8-2016 YS/T 1115.1-2016 DZ/T 0279.19-2016 DZ/T 0279.16-2016 DZ/T 0279.14-2016 DZ/T 0279.13-2016 |
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