Determination of total nitrogen in water quality by ultraviolet spectrophotometry

Determination of total nitrogen in water quality by ultraviolet spectrophotometry, Total:3 items.

In the international standard classification, Determination of total nitrogen in water quality by ultraviolet spectrophotometry involves: Vocabularies, Water quality.

Professional Standard - Environmental Protection, Determination of total nitrogen in water quality by ultraviolet spectrophotometry

• HJ 636-2012 Water quality.Determination of total nitrogen.Alkaline potassium persulfate digestion UV spectrophotometric method
• HJ/T 199-2005 Water quality Determination of tota-nitrogen Gas-phase molecular absorption spectrometry

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Determination of total nitrogen in water quality by ultraviolet spectrophotometry

• GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photometric method

Others:   Water Quality Determination of Nitrate Nitrogen by Ultraviolet Spectrophotometry, Determination of Total Nitrogen by Ultraviolet Spectrophotometry, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry, Determination of total nitrogen in water quality by ultraviolet spectrophotometry, Determination of total nitrogen by ultraviolet spectrophotometry, Determination of total nitrogen by ultraviolet spectrophotometry, Determination of total nitrogen content by ultraviolet spectrophotometry, Determination of total nitrogen by ultraviolet spectrophotometry, Determination of total nitrogen in water quality Alkaline potassium persulfate digestion UV spectrophotometry, "Determination of Nitrate Nitrogen in Water Quality by Ultraviolet Spectrophotometry", Total Nitrogen Determination Method UV Spectrophotometry, Determination of total nitrogen in water by alkaline potassium persulfate digestion ultraviolet spectrophotometry, Water Quality Determination of Nitrate Nitrogen by Ultraviolet Spectrophotometry, When determining total nitrogen in water by alkaline potassium persulfate digestion ultraviolet spectrophotometry, Water Quality Determination of Nitrate Nitrogen by Ultraviolet Spectrophotometry, Determination of total nitrogen Alkaline potassium persulfate digestion UV spectrophotometry, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry with Alkaline Potassium Persulfate Digestion, Determination of total nitrogen Alkaline potassium persulfate digestion UV spectrophotometry, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry, Determination of Nitrate Nitrogen in Water Quality by Ultraviolet Spectrophotometry.