YB/T 4909.4-2021Analytical method of calcium-based desulfurizer for pretreatment of steelmaking water - Part 4: Determination of active calcium oxide content. EDTA complexometric titration and acid-base titration (English PDF)
炼钢铁水预处理用钙基脱硫剂分析方法 第4部分：活性氧化钙含量的测定 EDTA络合滴定法和酸碱滴定法
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Issued by
Ministry of Industry and Information Technology
Level / Type
National · Recommended
Issue date
March 5, 2021
Implementation date
July 1, 2021
Scope
YB/T 4909.4-2021 is the English-translated version of 炼钢铁水预处理用钙基脱硫剂分析方法 第4部分：活性氧化钙含量的测定 EDTA络合滴定法和酸碱滴定法.
YB/T 4909.4-2021 — Analytical method of calcium-based desulfurizer for pretreatment of steelmaking water - Part 4: Determination of active calcium oxide content. EDTA complexometric titration and acid-base titration
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Document preview — YB/T 4909.4-2021
National Standard of the People's Republic of China
- ICS
- 73.080
- Classification
- D 52
Issued by: Ministry of Industry and Information Technology
Contents
- Document data1
Document data
International classification (ICS): 73.080.
Chinese classification (CCS): D52.
Estimated length of the Chinese original: 11,156 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.
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Related Standards
YB/T 4909.1-2021 — Analytical method of calcium-based desulfurizer for pretreatment of steelmaking water - Part 1: Determination of silica content. Perchloric acid dehydration gravimetric method
YB/T 4909.2-2021 — Analytical method of calcium-based desulfurizer for pretreatment of steelmaking water - Part 2: Determination of calcium fluoride content. Distillation-zirconium salt titration method
YB/T 4909.3-2021 — Analytical method of calcium-based desulfurizer for pretreatment of steelmaking water - Part 3: Determination of sulfur content. Combustion iodometric method
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YB/T 4909.4-2021
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