Total nitrogen by UV photometry

Total nitrogen by UV photometry, Total:41 items.

The international standard classification for "Total nitrogen by UV photometry" includes: Alcohols. Ethers , Boilers and heat exchangers , Waxes, bituminous materials and other petroleum products , Petroleum products in general .

The Chinese standard classification for "Total nitrogen by UV photometry" includes: Basic organic chemicals , Boiler and its auxiliary equipment , Petroleum wax , Environmental Quality Standard for atmosphere, water and soil , Analysis methods for exhaust emission pollutants , Basic standards and general methods on chemical fertilizers , Analysis methods for toxic substances in water , Cosmetics , Petroleum products in general , Electron optics and other physical optics instrument , Chemical Measurement .

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 14571.4-2008 glycol for industrial use - Determination of ultraviolet transmittance - Ultraviolet spectrophotometric method
GB/T 11081-1989 White oils-Determination of ultraviolet absorption
GB/T 32737-2016 Determination of nitrate nitrogen in soil—Ultraviolet spectrophotometry method
GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photometric method
GB/T 11081-2005 Standard test method for ultraviolet adsorption of white oils
GB/T 14422-1993 Analysis of water used in boiler and cooling system－Determination of benzotriazole－Ultraviolet spectrophotometry

Professional Standard - Environmental Protection

HJ 636-2012 Water quality. Determination of total nitrogen. Alkaline potassium persulfate digestion UV spectrophotometric method
HJ/T 346-2007 Water quality-Determination of nitrate-nitrogen-Ultraviolet spectrophotometry
HJ/T 42-1999 Stationary source emission -- Determination of nitrogen oxide -- Ultraviolet spectrophotometric method

Professional Standard - Water Conservancy

SL 84-1994 Determination of nitrogen(nitrate) (Ultraviolet spectrophtometric method)
SL 93.2-1994 Determination of oil and grease (Vltraviolet spectrophotometric method)

Professional Standard - Agriculture

197药典三部-2020 Spectrophotometry 0401 UV-Vis Spectrophotometry
47药典四部-2020 0401 UV-visible spectrophotometry
NY/T 1116-2006 Fertilizers - Determination of nitrate nitrogen content - Ultraviolet spectro - Photometric method
153药典三部-2010 Appendix Ⅱ Spectrophotometry ⅡA UV-Vis Spectrophotometry
67药典四部-2015 0401 UV-visible spectrophotometry
1759药典一部-2010 Appendix VA UV-Vis Spectrophotometry
2297药典二部-2010 Appendix IV A UV-Vis Spectrophotometry
178药典三部-2015 Spectrophotometry 0401 UV-Vis Spectrophotometry General Principles 19

Group Standards of the People's Republic of China

T/TGIC 010-2024 Textiles - Determination of gingerol content - Ultraviolet Spectrophotometry

Ningxia Provincial Standard of the People's Republic of China

DB64/T 1515-2017 Determination of Total Glucosides in Sheep Placenta Capsules by Ultraviolet Spectrophotometry

中华人民共和国环境保护部

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

Professional Standard - Light Industry

QB/T 2334-1997 Method for the Qualitative Determination of Ultraviolet Absorbents in Cosmetics - Ultraviolet Spectrophotometry

Military Standard of the People's Republic of China-General Armament Department

GJB 3639-1999 Determination of Benzene Chloroacetophenone UV Spectrophotometry
GJB 4781-1997*GJBz 20413.3-1997 Determination of Sies by UV spectrophotometry

Shandong Provincial Standard of the People's Republic of China

DB37/T 4149-2020 Determination of water quality UV254 by ultraviolet spectrophotometry

Professional Standard - Petrochemical Industry

SH/T 0662-1998 Mineral oil - Determination of ultraviolet absorbance
SH/T 0406-1992 Determination method for vaseline ultraviolet absorbance

Professional Standard - Commodity Inspection

SN/T 4117-2015 Determination of total vo1atile Sulfur in liquefied petro1eum gases and gasous hydrocarbons by ultravio1et fluorescence

Professional Standard - Machinery

JB/T 6777-1993 UV/VIS Spectrophotometer
JB/T 6778-1993 UV/VIS Near Infrared Spectrophotometer

National Metrological Verification Regulations of the People's Republic of China

JJG 689-1990 UV-VIS-NIR Spectrophotometer

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 14571.4-2022 Test method of ethylene glycol for industrial use—Part 4：Determination of ultraviolet transmittance—Ultraviolet spectrophotometric method

RU-GOST R

GOST 34712-2021 Natural gas. Determination of total sulfur by ultraviolet fluorescence method

GOSTR

GOST 34237-2017 Petroleum products. Determination of total sulfur by method ultraviolet fluorescence

Association Francaise de Normalisation

NF A06-555:2010 Steel - Determination of nitrogen content - Spectrophotometric method.

Danish Standards Foundation

DS/ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection

GSO

OS GSO ISO 29441:2013 Water quality -- Determination of total nitrogen after UV digestion -- Method using flow analysis (CFA and FIA) and spectrometric detection

SCC

DANSK DS/ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection

Korean Agency for Technology and Standards (KATS)

KS H ISO 4735-2019 Oils of Citrus－Determination of CD value by ultraviolet spectrometric analysis

American Society for Testing and Materials (ASTM)

ASTM E2193-23 Standard Test Method for Ultraviolet Transmittance of Monoethylene Glycol (using Ultraviolet Spectrophotometry)

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