China 'YB/T 4909.1-2021 ' Industry standard english version:

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

Issued Date:2021/3/5

Implemented Date:2021/7/1

Issued by:

The Standardization Administration of the People's Republic of China

GB Standard Code	YB/T 4909.1-2021
Standard Category	China Metallurgy Industry Standards
GB Standard English Title	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
Chinese Version Price	$5.00 per 1 page
English Translation Fee	$15.00~$30.00 per 1 page
Member Price	10%~50% off


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