YS/T 1084.3-2018Methods for chemical analysis of crude selenium - Part 3: Determination of selenium content. The gravimetric method by reduction of hydroxylamine hydrochloride and sodium thiosulfate titration (English PDF)
粗硒化学分析方法 第3部分：硒量的测定 盐酸羟胺还原重量法和硫代硫酸钠滴定法
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Issued by
Ministry of Industry and Information Technology
Level / Type
National · Recommended
Issue date
April 30, 2018
Implementation date
September 1, 2018
Scope
YS/T 1084.3-2018 is the English-translated version of 粗硒化学分析方法 第3部分：硒量的测定 盐酸羟胺还原重量法和硫代硫酸钠滴定法.
YS/T 1084.3-2018 — This standard specifies the method for determining the amount of selenium in crude selenium. Method 1: Hydroxylamine Hydrochloride Reduction Graviation Method; Method 2: Sodium Thiosulfate Titration Method.
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Document preview — YS/T 1084.3-2018
National Standard of the People's Republic of China
- Classification
- H 13
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 amount of selenium in crude selenium. Method 1: Hydroxylamine Hydrochloride Reduction Graviation Method; Method 2: Sodium Thiosulfate Titration Method.
Document data
Chinese classification (CCS): H13.
Estimated length of the Chinese original: 9,917 words.
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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.
Referenced standards
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Related Standards
YS/T 1084.1-2015 — Methods for chemical analysis of crude selenium - Part 1: Determination of gold content - Fire assay gravimetric and flame atomic absorption spectrmetric method method
YS/T 1084.2-2015 — Methods for chemical analysis methods of crude selenium. Part 2: Determination of silver content. Flame atomic absorption spectrometric method
YS/T 1084.4-2024 — Chemical analysis method of crude selenium - Part 4: Determination of tellurium content - Weight method
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YS/T 1084.3-2018
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