YS/T 461.8-2025Methods for chemical analysis of lead and zinc bulk concentrates - Part 8: Determination of copper content - Flame atomic absorption spectrometry and iodine titration methods (English PDF)
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Issued by
Ministry of Industry and Information Technology
Level / Type
National · Recommended
Issue date
August 19, 2025
Implementation date
March 1, 2026
Scope
YS/T 461.8-2025 (Methods for chemical analysis of lead and zinc bulk concentrates - Part 8: Determination of copper content - Flame atomic absorption spectrometry and iodine titration methods) is available as an English-translated PDF.
YS/T 461.8-2025 — This standard specifies methods for determining copper content in mixed lead-zinc concentrate using both flame atomic absorption spectrometry and iodometric titration.
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Document preview — YS/T 461.8-2025
National Standard of the People's Republic of China
- ICS
- 77.120.60
- Classification
- H 13
- Replacing
- YS/T 461.8-2013
Issued by: Ministry of Industry and Information Technology
Contents
- What this standard covers1
- Document data2
What this standard covers
This standard specifies methods for determining copper content in mixed lead-zinc concentrate using both flame atomic absorption spectrometry and iodometric titration. This standard applies to the determination of copper content in mixed lead-zinc concentrate.
Document data
International classification (ICS): 77.120.60.
Chinese classification (CCS): H13.
Estimated length of the Chinese original: 18,125 words.
Supersedes the earlier edition YS/T 461.8-2013.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 12 pages — is available in the English PDF.
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Related Standards
YS/T 461.1-2013 — Methods for chemical analysis of lead and zinc bulk concentrates. Part 1: The determination of lead and zinc contents. Na2EDTA titrimetric method after precipitation separation
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 461.12-2016 — Methods for chemical analysis of lead and zinc bulk concentrates--Part 12: Determination of thallium content--Inductively coupled plasma mass spectrometry and inductively coupled plasma atomic emission spectrometry
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YS/T 461.8-2025
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