YS/T 535.3-2024Chemical analysis method of sodium fluoride - Part 3: Determination of silicon dioxide content - Rail expansion and contraction adjuster (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 535.3-2024 (Chemical analysis method of sodium fluoride - Part 3: Determination of silicon dioxide content - Rail expansion and contraction adjuster) is available as an English-translated PDF.
YS/T 535.3-2024 — This standard specifies the method for determining the silicon dioxide content in sodium fluoride by molybdenum blue spectrophotometry.
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Document preview — YS/T 535.3-2024
National Standard of the People's Republic of China
- ICS
- 71.100.10
- Classification
- H 30
- Replacing
- YS/T 535.3-2009
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 silicon dioxide content in sodium fluoride by molybdenum blue spectrophotometry. This standard is applicable to the determination of silicon dioxide content in sodium fluoride, with a determination range of 0.020% to 1.60%.
Document data
International classification (ICS): 71.100.10.
Chinese classification (CCS): H30.
Estimated length of the Chinese original: 9,922 words.
Supersedes the earlier edition YS/T 535.3-2009.
......
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 535.1-2009 — Chemical analysis methods of sodium fluoride. Part 1: Determination of moisture content. Gravimetric method
YS/T 535.10-2009 — Chemical analysis methods of sodium fluoride. Part 10: Preparation and storage of test samples
YS/T 535.11-2020 — Chemical analysis methods of sodium fluoride - Part 11: Determination of sodium fluorosilicate content. Acid-base titration method
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YS/T 535.3-2024
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