China 'GB/T 38812.2-2020
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 38812.2-2020
Direct reduced iron—Determination of metallic iron content—The potassium dichromate titrimetric method after decomposition of sample by ferric chloride 直接还原铁 金属铁含量的测定 三氯化铁分解重铬酸钾滴定法
Issued Date:2020-06-02
Implemented Date:2020-12-01
Issued by:
The Standardization Administration of the People's Republic of China