China 'YB/T 4726.7-2021
' Industry standard english version:
YB
中华人民共和国行业标准
INDUSTRY STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
YB/T 4726.7-2021
Determination of total iron content in iron-containing dust sludge - Titanium trichloride reduction potassium dichromate titration method 含铁尘泥 全铁含量的测定 三氯化钛还原重铬酸钾滴定法
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 4726.7-2021
Standard Category
China Metallurgy Industry
Standards
GB Standard English Title
Determination of total iron content in iron-containing dust sludge - Titanium trichloride reduction potassium dichromate titration method