GB/T 38812.1-2020
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 38812.1-2020
Direct reduced iron—Determination of iron(Ⅱ) content—The potassium dichromate titrimetric method after decomposition of sample by ferric chloride 直接还原铁 亚铁含量的测定 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