ZH
RU
ES

Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry with Alkaline Potassium Persulfate Digestion

Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry with Alkaline Potassium Persulfate Digestion, Total:5 items.

In the international standard classification, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry with Alkaline Potassium Persulfate Digestion involves: Water quality, Vocabularies.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry with Alkaline Potassium Persulfate Digestion

GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photometric method
GB/T 7469-1987 Water quality--Determination of total mercury--Potassium permanganate-potassium persulfate decomposed method--Dithizone spectrophotometric method

Professional Standard - Environmental Protection, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry with Alkaline Potassium Persulfate Digestion

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 by Ultraviolet Spectrophotometry with Alkaline Potassium Persulfate Digestion

GB 11894-1989 Water quality-Determination of total nitrogen-Alkaline potassium persulfate digestion-UV spectrophotometric method
GB 7469-1987 Water quality-Determination of total mercury-potassium permanganats-potassium persaifate decomposed method-Dithizonc spectrophotometric method