YS/T 422.1-2024Chemical analysis methods for chromium carbide - Part 1: Determination of chromium content - Thiocyanate spectrophotometry (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 422.1-2024 (Chemical analysis methods for chromium carbide - Part 1: Determination of chromium content - Thiocyanate spectrophotometry) is available as an English-translated PDF.
YS/T 422.1-2024 — This standard specifies the method for determining the chromium content in chromium carbide by ammonium ferrous sulfate titration.
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Document preview — YS/T 422.1-2024
National Standard of the People's Republic of China
- ICS
- 77.16
- Classification
- H 16
- Replacing
- YS/T 422.1-2000
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 chromium content in chromium carbide by ammonium ferrous sulfate titration. This standard is applicable to the determination of chromium content in chromium carbide, with a determination range of 80.0% to 90.0%.
Document data
International classification (ICS): 77.16.
Chinese classification (CCS): H16.
Estimated length of the Chinese original: 10,192 words.
Supersedes the earlier edition YS/T 422.1-2000.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.
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Related Standards
YS/T 422.2-2024 — Chemical analysis methods for chromium carbide - Part 2: Determination of total carbon content - Gas volumetric method and high-frequency combustion infrared absorption method
YS/T 422.3-2024 — Chemical analysis methods for chromium carbide - Part 3: Determination of iron content - Phenanthroline spectrophotometry
YS/T 422.4-2024 — Chemical analysis methods for chromium carbide - Part 4: Determination of silicon content - Molybdenum blue spectrophotometry
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YS/T 422.1-2024
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