YS/T 581.6-2025Determination of chemical content and physical properties ofaluminum fluoride - Part 6: Determination of silica content - molybdenum blue photometric method (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 581.6-2025 (Determination of chemical content and physical properties ofaluminum fluoride - Part 6: Determination of silica content - molybdenum blue photometric method) is available as an English-translated PDF.
YS/T 581.6-2025 — This standard specifies the method for determining the silica content in aluminum fluoride using the molybdenum blue spectrophotometric method.
This standard applies to the determination of silica content in aluminum fluoride.
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Document preview — YS/T 581.6-2025
National Standard of the People's Republic of China
- ICS
- 71.100.10
- Classification
- H 30
- Replacing
- YS/T 581.6-2006
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 silica content in aluminum fluoride using the molybdenum blue spectrophotometric method. This standard applies to the determination of silica content in aluminum fluoride.
Document data
International classification (ICS): 71.100.10.
Chinese classification (CCS): H30.
Estimated length of the Chinese original: 9,941 words.
Supersedes the earlier edition YS/T 581.6-2006.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.
Referenced standards
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Related Standards
YS/T 581.1-2024 — Chemical analysis methods and physical property determination methods of aluminum fluoride - Part 1: Determination of moisture content and loss on ignition - Acid-base titration
YS/T 581.10-2025 — Methods for chemical analysis and physical properties test of aluminium fluoride - Part 10: Determination of elements content - X-ray fluorescence spectrometric method
YS/T 581.11-2006 — Determination of chemical contents and physical properties of aluminium fluoride. Part 11: Preparation and storage of test samples
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YS/T 581.6-2025
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