YS/T 461.9-2003The methods for chemical analysis of lead and zinc bulk concentrates-The determination of silver content-The atomic absorption method (English PDF)
混合铅锌精矿化学分析方法 银量的测定 火焰原子吸收光谱法
YS/T 461.9 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| YS/T 461.9-2025 | Methods for chemical analysis of lead and zinc bulk concentrates—Part 9: Determination of silver and gold contents—Flame atomic absorption spectrometry and fire assay method | Valid |
| YS/T 461.9-2013 | Methods for Chemical Analysis of Lead and Zinc Bulk Concentrates - Part 9: The Determination of Silver Content - Flame Atomic Absorption Spectrometry | Obsolete |
| YS/T 461.9-2003 | The methods for chemical analysis of lead and zinc bulk concentrates-The determination of silver content-The atomic absorption method | Obsolete |
YS/T 461.9-2003 is obsolete. It has been replaced by YS/T 461.9-2013. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
National Development and Reform Commission
Level / Type
National · Recommended
Issue date
December 29, 2003
Implementation date
May 1, 2004
Scope
YS/T 461.9-2003 is the English-translated version of 混合铅锌精矿化学分析方法 银量的测定 火焰原子吸收光谱法.
YS/T 461.9-2003 is the Chinese industry standard "The methods for chemical analysis of lead and zinc bulk concentrates-The determination of silver content-The atomic absorption method".
It was issued on December 29, 2003 by the National Development and Reform Commission, and took effect on May 1, 2004. It is obsolete: it has been replaced by YS/T 461.9-2013.
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Document preview — YS/T 461.9-2003
National Standard of the People's Republic of China
Issued by: National Development and Reform Commission
Contents
- Document data
1 Document data
Sector: National Recommended (industry standard).
Issuing body: National Development and Reform Commission.
Date of issue: 2003-12-29.
Date of implementation: 2004-05-01.
Status: obsolete, replaced by YS/T 461.9-2013.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
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Related Standards
YS/T 461.10-2013 — Methods for chemical analysis of lead and zinc bulk concentrates. Part 10: The determination of gold and silver contents. Fire-assaying methods
YS/T 461.8-2003 — The methods for chemical analysis of lead and zinc bulk concentrates-The determination of copper content-The atomic absorption method
YS/T 461.10-2003 — The methods for chemical analysis of lead and zinc bulk concentrates-The determination of gold and silver content-The fire-assaying methods
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YS/T 461.9-2003
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