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Determination of total nitrogen in water quality Alkaline potassium persulfate digestion UV spectrophotometry

Determination of total nitrogen in water quality Alkaline potassium persulfate digestion UV spectrophotometry, Total:2 items.

In the international standard classification, Determination of total nitrogen in water quality Alkaline potassium persulfate digestion UV spectrophotometry involves: Vocabularies.

Professional Standard - Environmental Protection, Determination of total nitrogen in water quality Alkaline potassium persulfate digestion UV spectrophotometry

HJ 636-2012 Water quality.Determination of total nitrogen.Alkaline potassium persulfate digestion UV spectrophotometric method

中华人民共和国环境保护部, Determination of total nitrogen in water quality Alkaline potassium persulfate digestion UV spectrophotometry

GB 11894-1989 Water quality-Determination of total nitrogen-Alkaline potassium persulfate digestion-UV spectrophotometric method