ZH
RU
ES

Total Nitrogen Determination Spectrophotometry

Total Nitrogen Determination Spectrophotometry, Total:17 items.

In the international standard classification, Total Nitrogen Determination Spectrophotometry involves: Cereals, pulses and derived products, Pesticides and other agrochemicals, Water quality, Vocabularies, Metalliferous minerals, Ferrous metals.

YU-JUS, Total Nitrogen Determination Spectrophotometry

• JUS H.Z1.137-1985 Testing of industrial vvaters. Determination of nitrite-nitrate and the combined nitrite-nitrate nitrogen, Spectrophotometric method

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Total Nitrogen Determination Spectrophotometry

• GB/T 7630-1987 The tribromoarsenazo photometric method for the determination of rare earth oxide content in rice and wheat
• GB 7630-1987 The tribromoarsenazo photometric method for the determination of rare earth oxide content in rice and wheat
• GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photometric method
• GB/T 6730.24-2006 Iron ores Determination of total rare earth contentd Chlorophosphonazo mA spectrophotometric method

Professional Standard - Environmental Protection, Total Nitrogen Determination Spectrophotometry

• HJ 667-2013 Water quality.Determination of total nitrogen by continuous flow analysis (CFA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry
• HJ 668-2013 Water quality.Determination of total nitrogen by flow injection analysis (FIA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry
• HJ 636-2012 Water quality.Determination of total nitrogen.Alkaline potassium persulfate digestion UV spectrophotometric method

Professional Standard - Agriculture, Total Nitrogen Determination Spectrophotometry

• NY/T 30-1986 Determination of rare earth oxide content in soil.Chlorophosphonazo-p-hippuric acid photometric method
• GB 6260-1986 Determination of Total Oxidized Rare Earth in Soil Spectrophotometric Method for Azochlorophosphorus Hippurate

中华人民共和国环境保护部, Total Nitrogen Determination Spectrophotometry

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

Association Francaise de Normalisation, Total Nitrogen Determination Spectrophotometry

• NF A06-555:2010 Steel - Determination of nitrogen content - Spectrophotometric method.
• NF A06-555*NF EN ISO 4945:2018 Steel - Determination of nitrogen - Spectrophotometric method

German Institute for Standardization, Total Nitrogen Determination Spectrophotometry

• DIN EN ISO 4945:2019-03 Steel - Determination of nitrogen - Spectrophotometric method (ISO 4945:2018); German version EN ISO 4945:2018

ES-UNE, Total Nitrogen Determination Spectrophotometry

• UNE-EN ISO 4945:2019 Steel - Determination of nitrogen - Spectrophotometric method (ISO 4945:2018)

KR-KS, Total Nitrogen Determination Spectrophotometry

• KS D ISO 4945-2022 Steel — Determination of nitrogen — Spectrophotometric method

CZ-CSN, Total Nitrogen Determination Spectrophotometry

• CSN 65 1025 Cast.10-1989 Sulphuric acid for industrial use. pectrophotometric method for the etermination of total nitrogen xides

Others:   Determination of Total Nitrogen by Ultraviolet Spectrophotometry, Total Nitrogen Determination Method Spectroscopic, Determination of total nitrogen by spectrophotometry, Spectrophotometric method for the determination of total nitrogen, Determination method of total nitrogen by spectrometry, Determination of Nitrogen in Water by Ultraviolet Spectrophotometry, Determination of total nitrogen by ultraviolet spectrophotometry, Determination of total nitrogen by spectrophotometry, Determination of total nitrogen by spectrophotometry, Total Nitrogen Determination Spectrophotometry, Total Nitrogen Determination Spectrophotometry, Determination of total nitrogen by ultraviolet spectrophotometry, Total Nitrogen Determination Spectrophotometry, Total Nitrogen Spectrophotometric Determination, Photometric method for the determination of total nitrogen, Ultraviolet Spectrophotometric Determination Method of Total Nitrogen in Water, Spectroscopic determination method of total nitrogen, Spectrophotometric Determination of Total Nitrogen and Ammonium Nitrogen, Determination method of total nitrogen by spectrophotometry, Determination of total nitrogen by UV spectroscopy.