YS/T 535.2-2009Chemical analysis methods of sodium fluoride. Part 2: Determination of fluorine content. Distillation-thorium nitrate volumetric method (English PDF)
氟化钠化学分析方法 第2部分：氟含量的测定 蒸馏-硝酸钍滴定容量法
YS/T 535.2 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| YS/T 535.2-2025 | Determination of chemical content of sodium fluoride—Part 2: Determination of fluoride content—Distillation-thorium nitrate titration method | Valid |
| YS/T 535.2-2009 | Chemical analysis methods of sodium fluoride. Part 2: Determination of fluorine content. Distillation-thorium nitrate volumetric method | Obsolete |
YS/T 535.2-2009 is obsolete. It has been replaced by YS/T 535.2-2025. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
National Development and Reform Commission
Level / Type
National · Recommended
Issue date
December 4, 2009
Implementation date
June 1, 2010
Scope
YS/T 535.2-2009 is the English-translated version of 氟化钠化学分析方法 第2部分：氟含量的测定 蒸馏-硝酸钍滴定容量法.
YS/T 535.2-2009 is the Chinese industry standard "Chemical analysis methods of sodium fluoride. Part 2: Determination of fluorine content. Distillation-thorium nitrate volumetric method".
It was issued on December 4, 2009 by the National Development and Reform Commission, and took effect on June 1, 2010. It is obsolete: it has been replaced by YS/T 535.2-2025.
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Document preview — YS/T 535.2-2009
National Standard of the People's Republic of China
Issued by: National Development and Reform Commission
Contents
- Document data
1 Document data
Sector: National Recommended (industry standard).
Issuing body: National Development and Reform Commission.
Date of issue: 2009-12-04.
Date of implementation: 2010-06-01.
Status: obsolete, replaced by YS/T 535.2-2025.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
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YS/T 535.2-2009
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