GB/T 11894-1989

Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photo metric method

NORMA vydaná dňa 3.11.1989

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The information about the standard:

Designation standards: GB/T 11894-1989
Publication date standards: 3.11.1989
Country: Chinese technical standard
Kategória: Technické normy GB