YS/T 423.4-2025Methods for chemical analysis of nuclear-grade boron carbide - Part 4: Determination of iron content - Spectrophotometry and the inductively coupled plasma atomic emission spectrometry (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 423.4-2025 (Methods for chemical analysis of nuclear-grade boron carbide - Part 4: Determination of iron content - Spectrophotometry and the inductively coupled plasma atomic emission spectrometry) is available as an English-translated PDF.
YS/T 423.4-2025 — This standard specifies the methods for determining the iron content in nuclear-grade boron carbide, including spectrophotometry and inductively coupled plasma atomic emission spectrometry.
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Document preview — YS/T 423.4-2025
National Standard of the People's Republic of China
- ICS
- 77.16
- Classification
- H 16
- Replacing
- YS/T 423.4-2000
Issued by: Ministry of Industry and Information Technology
Contents
- What this standard covers1
- Document data2
What this standard covers
This standard specifies the methods for determining the iron content in nuclear-grade boron carbide, including spectrophotometry and inductively coupled plasma atomic emission spectrometry. This standard applies to the determination of iron content in nuclear-grade boron carbide powder and nuclear-grade boron carbide cores.
Document data
International classification (ICS): 77.16.
Chinese classification (CCS): H16.
Estimated length of the Chinese original: 14,187 words.
Supersedes the earlier edition YS/T 423.4-2000.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 9 pages — is available in the English PDF.
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Related Standards
YS/T 423.1-2025 — Methods for chemical analysis of nuclear-grade boron carbide - Part 1: Determination of total boron content - Acid-base titration
YS/T 423.2-2025 — Methods for chemical analysis of nuclear-grade boron carbide - Part 2: Determination of total carbon content - The gas-volumetric method and high frequency combustion-infrared absorption method
YS/T 423.3-2025 — Methods for chemical analysis of nuclear-grade boron carbide - Part 3: Determination of free boron content - Acid-base titrati on
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YS/T 423.4-2025
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