China 'YB/T 4909.1-2021
' standard english version summary:
YB
中华人民共和国行业标准
INDUSTRY STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
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 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
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The Standardization Administration of the People's Republic of China
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"YB/T 4909.1-2021" standard !
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Analytical method of calcium-based desulfurizers for pretreatment of iron and steel water - Part 1: Determination of silica content - Perchloric acid dehydration gravimetric method
GB Standard Chinese Title
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
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