YS/T 240.2-2024Chemical analysis method for bismuth concentrate - Part 2: Determination of lead content - Na2EDTA titration method, Na2EDTA back titration method and flame atomic absorption spectrometry method (English PDF)
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Issued by
Ministry of Industry and Information Technology
Level / Type
National · Recommended
Issue date
October 24, 2024
Implementation date
May 1, 2025
Scope
YS/T 240.2-2024 (Chemical analysis method for bismuth concentrate - Part 2: Determination of lead content - Na2EDTA titration method, Na2EDTA back titration method and flame atomic absorption spectrometry method) is available as an English-translated PDF.
YS/T 240.2-2024 — This standard specifies the method for determining the lead content in bismuth concentrate. Method 1 is the Na2EDTA titration method, method 2 is the Na2EDTA back titration method, and method 3 is the flame atomic absorption spectrometry.
This standard is applicable to the determination of lead content in bismuth concentrate.
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Document preview — YS/T 240.2-2024
National Standard of the People's Republic of China
- ICS
- 77.120.99
- Classification
- H 13
- Replacing
- YS/T 240.2-2007
Issued by: Ministry of Industry and Information Technology
Contents
- What this standard covers1
- Document data2
What this standard covers
This standard specifies the method for determining the lead content in bismuth concentrate. Method 1 is the Na2EDTA titration method, method 2 is the Na2EDTA back titration method, and method 3 is the flame atomic absorption spectrometry. This standard is applicable to the determination of lead content in bismuth concentrate. Method 1 in this standard is not applicable to the determination of lead content in bismuth concentrate containing more than 0.6% barium.
Document data
International classification (ICS): 77.120.99.
Chinese classification (CCS): H13.
Estimated length of the Chinese original: 20,225 words.
Supersedes the earlier edition YS/T 240.2-2007.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 13 pages — is available in the English PDF.
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Related Standards
YS/T 240.1-2024 — Chemical analysis method for bismuth concentrate - Part 1: Determination of bismuth content - Na2EDTA titration method
YS/T 240.10-2024 — Chemical analysis method for bismuth concentrate - Part 10: Determination of aluminum oxide content - Molybdenum blue spectrophotometry
YS/T 240.11-2024 — Chemical analysis method for bismuth concentrate - Part 11: Determination of silver and gold content - Flame atomic absorption spectrometry and fire assay-flame atomic absorption spectrometry
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YS/T 240.2-2024
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