China 'HJ 668-2013
' Industry standard english version:
HJ
中华人民共和国行业标准
INDUSTRY STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
HJ 668-2013
Water quality. Determination of total nitrogen by flow injection analysis(FIA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry 水质 总氮的测定 流动注射-盐酸萘乙二胺分光光度法
Issued Date:2013-10-25
Implemented Date:2014-01-01
Issued by:
The Standardization Administration of the People's Republic of China
GB Standard Code
HJ 668-2013
Standard Category
China Environmental Protection Industry
Standards
GB Standard English Title
Water quality. Determination of total nitrogen by flow injection analysis(FIA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry