HJ 667-2013 China
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 667-2013
Water quality. Determination of total nitrogen by continuous flow analysis(CFA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry 水质 总氮的测定 连续流动-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
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