Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry, Total:107 items.

The international standard classification for "Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry" includes: Pharmaceutics , Sugar and sugar products , Boilers and heat exchangers , Workplace atmospheres , Cadmium, cobalt and their alloys , Alcohols. Ethers , Beekeeping , Natural gas , Cereals, pulses and derived products , Biology. Botany. Zoology , Other standards related to analytical chemistry , Spices and condiments .

The Chinese standard classification for "Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry" includes: Basic standards and general methods on chemical fertilizers , Agriculture and forestry technology , Soil and fertilizer in general , Sugar refining , Boiler and its auxiliary equipment , Labor sanitation , Heavy metals and their alloys analysis method , Basic organic chemicals , Beekeeping, silkworm keeping , Natural gas , Cereal crop and forage crop in general , Environmental Quality Standard for atmosphere, water and soil , Analysis methods for exhaust emission pollutants , Fuel oil , Analysis methods for toxic substances in water , Cosmetics , Basic standards and general methods for water treatment agent , Aromatics, seasoner crop and product , Hydrogeological survey .

Professional Standard - Agriculture

GB 6260-1986 Determination of rare earth oxide content in soil--Chlorophosphonazo-p-hippuric acid photometric method
NY/T 30-1986 Determination of rare earth oxide content in soil - Chlorophonazo - P - Hippuric acid photometric method
NY/T 2332-2013 Determination of total sugars in red ginseng—Spectrophotometry
NY/T 1116-2006 Fertilizers - Determination of nitrate nitrogen content - Ultraviolet spectro - Photometric method
NY/T 1279-2007 Determination of Nitrate in Vegetables and Fruits UV-spectrophotometer

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

GB/T 23195-2008 Method for the determination of catalase in bee pollen - Ultaraviolet spectrophotometry
GB/T 14571.4-2008 glycol for industrial use - Determination of ultraviolet transmittance - Ultraviolet spectrophotometric method
GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photometric method
GB/T 16077-1995 Workplace air―Determination of phosgene―Ultraviolet spectrophotometric method
GB/T 7630-1987 The tribromoarsenazo photometric method for the determination of rare earth oxide content in rice and wheat
GB/T 14422-1993 Analysis of water used in boiler and cooling system－Determination of benzotriazole－Ultraviolet spectrophotometry
GB/T 12153-1989 Analysis of water used in boiler and cooling system--Determination for mineral oil--Ultraviolet spectrophotometry
GB/T 2136-1980 Determination of thallium content in cadmium--Crystal violet photometric method
GB/T 18932.6-2002 Method for the determination of glycerol contents in honey--UV spectrophotometric method
GB/T 32737-2016 Determination of nitrate nitrogen in soil—Ultraviolet spectrophotometry method
GB/T 36084-2018(英文版) Nanotechnology - Determination of copper, manganese and chromium ion content in aqueous solution - UV-visible spectrophotometry
GB/T 34796-2017(英文版) Quantification and purity analysis of nucleic acid concentration in solution—Ultraviolet spectrophotometry
GB 7630-1987 The tribromoarsenazo photometric method for the determination of rare earth oxide content in rice and wheat
GB/T 11060.8-2012 Natural gas - Determination of sulfur compound - Part 8：Determination of total sulfur content by Ultraviolet fluorescence method
GB/T 16055-1995 Workplace air―Determination of diphenyl-diphenyl ether―Ultraviolet spectrophotometric method

Professional Standard - Environmental Protection

HJ 970-2018 Water quality - Determination of petroleum - Ultraviolet spectrophotometric method
HJ 636-2012 Water quality. Determination of total nitrogen. Alkaline potassium persulfate digestion UV spectrophotometric method
HJ 536-2009 Water quality-Determination of ammonia nitrogen-Salicylic acid spectrophotometry
HJ/T 31-1999 Stationary source emission -- Determination of phosgene -- Aniline ultraviolet spectrophotometric method
HJ/T 42-1999 Stationary source emission -- Determination of nitrogen oxide -- Ultraviolet spectrophotometric method
HJ 756-2015 Water quality - Determination of butyl xanthate - UV spectrophotometric method
HJ/T 346-2007 Water quality-Determination of nitrate-nitrogen-Ultraviolet spectrophotometry

Professional Standard - Water Conservancy

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

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

Group Standards of the People's Republic of China

T/ZJATA 0025-2024 Water quality Total nitrogen determination Prefabricated chromotropic acid reagent spectrophotometry
T/QAS 035-2021 Determination of nitrate in brine by ultraviolet spectrophotometry
T/NAIA 097-2021 Determination of total phenolic content in Lycium barbarum by spectrophotometric method
T/TGIC 009-2024 Textiles - Determination of polyphenolcontent - Ultraviolet Spectrophotometery
T/TGIC 010-2024 Textiles - Determination of gingerol content - Ultraviolet Spectrophotometry
T/GXAS 545-2023 Seawater—Rapid determination of petroleum on site—Ultraviolet spectrophotometric method

Shandong Provincial Standard of the People's Republic of China

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

国家能源局

SH/T 0966-2017 Determination of aromatic hydrocarbon content in white oil by UV spectrophotometry

Professional Standard - Petrochemical Industry

SH/T 0181-2005 Standard test method for naphthalene hydrocarbons in jet fuels by ultraviolet spectrophotometry
SH/T 0409-1992 Determination of aromatic hydrocarbons in liquid paraffin (UV spectrophotometric method)
SH/T 1498.5-1997 Nylon 66 salt-Determination of content of pscudo diaminocylohcloexane-Uitraviolet specterophotometric method
SH/T 0181-1992 Method for Determination of Naphthalene Hydrocarbon Content in Jet Fuel (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

Hebei Provincial Standard of the People's Republic of China

DB13/T 2899-2018 Determination of iminodisuccinate content in urea by ultraviolet-visible spectrophotometry
DB13/T 5028-2019 Determination of total sulfur content in alcohol-based fuels by ultraviolet fluorescence method

Professional Standard - Light Industry

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

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

GB/T 34796-2017 Quantification and purity analysis of nucleic acid concentration in solution-Ultraviolet spectrophotometry
GB/T 36084-2018 Nanotechnology—Determination of copper, manganese and chromium ions in aqueous solution—Ultraviolet-visible spectrophotometry

Tianjin Provincial Standard of the People's Republic of China

DB12/T 884-2019 Determination of Polysaccharide Content in Lily Bulbs by UV/Vis Spectrophotometry

Professional Standard - Chemical Industry

HG/T 4327-2012 Reclaimed water—Determination of total iron content—Spectrophotometric method

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

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

Sichuan Provincial Standard of the People's Republic of China

DB51/T 1689-2013 Determination of total sulfur content in liquefied natural gas (LNG) by ultraviolet fluorescence method
DB51/T 1699-2013 Determination of total sulfur content in liquefied petroleum gas (LPG) by ultraviolet fluorescence method

Professional Standard - Nuclear Industry

EJ/T 296.2-2014 Determination of trace uranium in urine liquid fluorometry by ultraviolet

国家质量监督检验检疫总局

SN/T 0859-2016 Determination of dehydroacetic acid in condiments for export- Ultraviolet spectrophotometric method

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 11060.8-2020 Natural gas—Determination of sulfur compounds—Part 8:Determination of total sulfur content by ultraviolet fluorescence method

中华全国供销合作总社

GH/T 1290-2020 Prickly ash and its processed products―Determination of total fagaramide―Ultraviolet spetrophotometry

Professional Standard - Railway

TB/T 2544.3-1995 Quick Analysis Method for Corrosion Inhibitor in Cooling Water of Railway Diesel Locomotive Determination of Benzotriazole by UV Spectrophotometry

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 - Geology

DZ/T 0064.59-1993 Groundwater quality test methods - the determination of nitrate radical with ultraviolet spectrophotometric method

GSO

NB/SH/T 0966-2017 Determination of aromatics content in white oil - UV spectrophotometry
OS GSO ISO 29441:2013 Water quality -- Determination of total nitrogen after UV digestion -- Method using flow analysis (CFA and FIA) and spectrometric detection
NB/T 11531-2024 Determination of total phosphorus, ammonia nitrogen and permanganate index in coal mine water - Flow injection-spectrophotometry
GSO ISO 29441:2013 Water quality -- Determination of total nitrogen after UV digestion -- Method using flow analysis (CFA and FIA) and spectrometric detection
OS GSO ISO 4945:2015 Steel -- Determination of nitrogen content -- Spectrophotometric method
OS GSO ISO 13964:2015 Air quality -- Determination of ozone in ambient air -- Ultraviolet photometric method

PL-PKN

PN C97087-1987 UV Spectrophotometric determination of phenols in coke and waste waters

Association Francaise de Normalisation

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

Spanish Association for Standardization (UNE)

UNE 36317-1:1985 DETERMINATION OF NITROGEN CONTENT OF STEELS. SPECTROPHOTOMETRIC METHOD
UNE 55047:1973 FATS. SPECTROPHOTOMETRIC MEASURE OF ABSORPTION IN THE ULTRAVIOLET AREA.

Korean Agency for Technology and Standards (KATS)

KS D ISO 4945-2002(2017) Steel－Determination of nitrogen content－Spectrophotometric method
KS I ISO 13964:2004 Air quality-Determination of ozone in ambient air-Ultraviolet photometric method
KS I ISO 13964:2014 Air quality — Determination of ozone in ambient air — Ultraviolet photometric method
KS M 2231-2014 Testing method for naphthalene type hydrocarbon contents in aviation turbine fuels by ultraviolet spectrophotometry
KS D ISO 4945:2002 Steel－Determination of nitrogen content－Spectrophotometric method
KS H ISO 4735-2019 Oils of Citrus－Determination of CD value by ultraviolet spectrometric analysis

International Organization for Standardization (ISO)

ISO 13964:1998 Air quality - Determination of ozone in ambient air - Ultraviolet photometric method
ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
ISO 4945:1977 Steel; Determination of nitrogen content; Spectrophotometric method
ISO 4945:2018 Steel - Determination of nitrogen - Spectrophotometric method

NO-SN

NS 9462-2006 Water quality Determination of UV-absorbance
NS 9803-1993 Water analysis. Determination of oil in water. Infrared spectrophotometric method

SE-SIS

SIS SS 02 81 45-1991 Determination ofoilin water — Infrared spectrophotometric method
SIS SS 02 81 86-1985 Determination of total arsenic in water - Silver diethyldithiocarbamate spectrometric method

German Institute for Standardization

DIN ISO 13964:1999 Air quality - Determination of ozone in ambient air - Ultraviolet photometric method (ISO 13964:1998)
DIN EN 10179:2023-07 Steels - Determination of nitrogen (trace amounts) - Spectrophotometric method; German and English version prEN 10179:2023 / Note: Date of issue 2023-05-26*Intended as replacement for DIN EN 10179 (1990-04).
DIN EN ISO 4945:2010 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977); German version EN ISO 4945:2009

SCC

NS 9462:2006 Water quality — Determination of UV-absorbance
NS 9803:1993 Water analysis — Determination of oil in water — Infrared spectrophotometric method
DANSK DS/ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
DANSK DS/EN ISO 4945:2009 Steel – Determination of nitrogen content – Spectrophotometric method
AWWA JAW30356 Journal AWWA — Using Cobalt-Ultraviolet Spectrophotometry to Measure Hydrogen Peroxide Concentration in Organically Laden Groundwaters
NS-EN 10179:2024 Steels - Determination of nitrogen (trace amounts) - 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
DS/EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method
DS/R 209:1980 Determination of oil and grease in water. Infrared spectrophotometric method

CZ-CSN

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

CEN - European Committee for Standardization

EN ISO 4945:2018 Steel - Determination of nitrogen - Spectrophotometric method

European Committee for Standardization (CEN)

EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977)

NL-NEN

NEN 6581-1985 Rain water - UV-photometric determination of nitrate content

BSI

BS EN 10179:2024 Steels. Determination of nitrogen (trace amounts). Spectrophotometric method

British Standards Institution (BSI)

BS EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method
BS EN ISO 4945:2010 Steel. Determination of nitrogen content. Spectrophotometric method
BS ISO 13964:1998(1999) Air quality — Determination of ozone in ambient air — Ultravioletphotometric method

South African Bureau of Standard

SANS 13964:2004 Air quality - Determination of ozone in ambient air - Ultraviolet photometric method

VN-TCVN

TCVN 7171-2002 Air quality.Determination of ozone in ambient air.Ultraviolet photometric method

Others: Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry