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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YB/T 4909.4-2021 |
Methods of analysis of calcium-based desulfurizers for pretreatment of iron and steel water - Part 4: Determination of active calcium oxide content - EDTA complexometric titration and acid-base titration {译} 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 |
China Metallurgy Industry
Standards desulfurizers |
 English PDF |
| YB/T 4909.3-2021 |
Methods of analysis of calcium-based desulfurizers for pretreatment of iron and steel water - Part 3: Determination of sulfur content - Combustion iodometric method {译} 炼钢铁水预处理用钙基脱硫剂分析方法 第3部分：硫含量的测定 燃烧碘量法 |
China Metallurgy Industry
Standards desulfurizers |
English PDF |
| YB/T 4909.2-2021 |
Methods of analysis of calcium-based desulfurizers for pretreatment of iron and steel water - Part 2: Determination of calcium fluoride content - Distillation-zirconium salt titration method {译} 炼钢铁水预处理用钙基脱硫剂分析方法 第2部分：氟化钙含量的测定 蒸馏-锆盐滴定法 |
China Metallurgy Industry
Standards desulfurizers |
English PDF |
| YB/T 4909.1-2021 |
Analytical method of calcium-based desulfurizers for pretreatment of iron and steel water - Part 1: Determination of silica content - Perchloric acid dehydration gravimetric method {译} 炼钢铁水预处理用钙基脱硫剂分析方法 第1部分：二氧化硅含量的测定 高氯酸脱水重量法 |
China Metallurgy Industry
Standards desulfurizers |
English PDF |
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