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Nitrate detection, UV spectrophotometry

Nitrate detection, UV spectrophotometry, Total:103 items.

In the international standard classification, Nitrate detection, UV spectrophotometry involves: Water quality, General methods of tests and analysis for food products, Meat, meat products and other animal produce, Fertilizers, Non-metalliferous minerals, Inorganic chemicals, Soil quality. Pedology, Milk and milk products, Biology. Botany. Zoology, Vocabularies, Environmental testing, Air quality, Analytical chemistry, Power stations in general, Geology. Meteorology. Hydrology, Paints and varnishes.

Professional Standard - Water Conservancy, Nitrate detection, UV spectrophotometry

SL 84-1994 Determination of nitrogen (nitrate)(Ultraviolet spectrophtometric method)

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Nitrate detection, UV spectrophotometry

GB 6912.1-1986 Determination of nitrate and nitrite - Nitrate UV photometric method
GB 6912.2-1986 Determination of nitrate and nitrite - Nitrite UV photometric method
GB/T 6912.1-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Ultraviolet spectrophotometry for nitrates
GB/T 6912.2-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Ultraviolet spectrophotometry for nitrites
GB/T 6912.1-2006 Methods for analysis of water for boiler and for cooling. Determination of nitrates and nitrites. Part 1: Ultraviolet spectrophotometry for nitrates
GB/T 32737-2016 Determination of nitrate nitrogen in soil - Ultraviolet spectrophotometry method
GB/T 7493-1987 Water quality--Determination of nitrogen (nitrite)--Spectrophotometric method
GB/T 7480-1987 Water quality--Determination of nitrate--Spectrophotometric method with phenol disulfonic acid
GB/T 6912.3-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Alpha-naphthylamine hydrochloride photometric method
GB/T 12374-1990 Standard method for examination of nitrate in air of residential areas--Reduction of the cadmium column-spectrophotometry of N-(1-naphthyl)ethylene diamine hydrochloride
GB/T 16102-1995 Workplace air--Determination of nitrobenzene--Naphthyl ethylenediamine dihydrochloride spectrophotometric method
GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photometric method
GB/T 16114-1995 Workplace air--Determination of chloronitrobenzene--N-(1-naphthyl-ethylenediamine dihydrochloride spectrophotometric method
GB/T 16115-1995 Workplace air--Determination of chlorodinitrobenzene--N-(1-naphthyl)-ethylenediamine dihydrochloride spectrophotometric method
GB/T 15501-1995 Air quality--Determination of nitrobenzene (mononitro-and dinitro-compound)--Reduction by zine-N-(1-Naphthyl)ethylene diamine dihydrochloride spectrophotometric method

Professional Standard - Environmental Protection, Nitrate detection, UV spectrophotometry

HJ/T 346-2007 Water quality. Determination of nitrate-nitrogen. Ultraviolet spectrophotometry
HJ 634-2012 Soil.Determination of ammonium, nitrite and nitrate by extraction with potassium chloride solution-spectrophotometric methods
HJ 756-2015 Determination of water quality butyl xanthate by UV spectrophotometry
HJ 636-2012 Water quality.Determination of total nitrogen.Alkaline potassium persulfate digestion UV spectrophotometric method

Professional Standard - Agriculture, Nitrate detection, UV spectrophotometry

NY/T 1279-2007 Determination of Nitrate in Vegetables and Fruits UV-spectrophotometer
NY/T 1116-2006 Fertilizers-Determination of nitrate nitrogen content.UItraviolet spectro-photometric method

Professional Standard - Geology, Nitrate detection, UV spectrophotometry

DZ/T 0064.59-1993 Groundwater Quality Examination Method Determination of Nitrate by Ultraviolet Spectrophotometry
DZ/T 0064.59-2021 Methods of Analytical Groundwater Quality Part 59: Determination of Nitrate by Ultraviolet Spectrophotometry
DZ/T 0064.60-1993 Spectrophotometric method for determination of nitrite radicals in groundwater quality testing
DZ/T 0064.58-1993 Groundwater Quality Test Method for Determination of Nitrate by Disulfonic Acid Phenol Spectrophotometry
DZ/T 0064.60-2021 Analytical methods of groundwater quality - Part 60: Determination of nitrite spectrophotometric method
DZ/T 0064.58-2021 Methods of Analytical Groundwater Quality Part 58: Determination of Nitrate Disulfonic Acid Phenol Spectrophotometric Method
DZ/T 0064.24-1993 Groundwater quality testing method Determination of iron by thiocyanate spectrophotometry

Group Standards of the People's Republic of China, Nitrate detection, UV spectrophotometry

T/QAS 035-2021 Determination of nitrate in brine by ultraviolet spectrophotometry
T/QAS 082.3-2022 Chemical Analysis of Rock Salt and Glauber's Salt Part 3: Determination of Nitrate by Ultraviolet Spectrophotometry

NL-NEN, Nitrate detection, UV spectrophotometry

NEN 6581-1985 Rain water - UV-photometric determination of nitrate content
NEN-ISO 6777:1993 Water quality. Determination of nitrite. Molecular absorption spectrometric method (ISO 6777:1984)
NEN 6652-1992 Water- Photometric determination of the sum of the contents of dissolved nitrate and nitrite by continuous flow analysis

YU-JUS, Nitrate detection, UV spectrophotometry

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

Professional Standard - Railway, Nitrate detection, UV spectrophotometry

TB/T 2544.2-1995 Quick Analysis Method for Corrosion Inhibitor in Cooling Water of Railway Diesel Locomotive Determination of Nitrite Ultraviolet Spectrophotometry

Korean Agency for Technology and Standards (KATS), Nitrate detection, UV spectrophotometry

KS H ISO 6740:2001 Dried whey－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 6740:2006 Dried whey－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 6739:2001 Whey cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 6739:2006 Whey cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 8195:2001 Caseins and caseinates－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 8195:2006 Caseins and caseinates－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS I ISO 6777:2007 Water quality－Determination of nitrite－Molecular absorption spectrometric method
KS I ISO 13395:2008 Water quality-Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection

KR-KS, Nitrate detection, UV spectrophotometry

KS H ISO 6740-2001 Dried whey－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 6739-2001 Whey cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 8195-2001 Caseins and caseinates－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry

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, Nitrate detection, UV spectrophotometry

GB/T 34796-2017 Quantification and purity analysis of nucleic acid concentration in solution—Ultraviolet spectrophotometry

中华人民共和国环境保护部, Nitrate detection, UV spectrophotometry

GB 7493-1987 Water quality-Determination of nitrogen (nitrite)-Spectrophotometric method
GB 7480-1987 Water quality-Determination of nitrate-Spectrophotometric method with phenol disulfonic acid

Professional Standard - Petrochemical Industry, Nitrate detection, UV spectrophotometry

SH/T 1498.6-1997 Nylon 66 salt.Determination of content of nitrates.Spectrophotometric method
SH/T 1498.7-1997 Nylon 66 salt.Determination of UV index.Ultraviolet spectrophotometric method
SH/T 1498.5-1997 Nylon 66 salt.Determination of content of pseudo diaminocyclohexane.Ultraviolet spectrophotometric method

Professional Standard - Urban Construction, Nitrate detection, UV spectrophotometry

CJ/T 76-1999 Municipal sewage.Determination of nitrogen(nitrite).Sepectrophotometric method
CJ 26.26-1991 Municipal sewage water quality inspection method standard Determination of nitrite nitrogen spectrophotometric method

Association Francaise de Normalisation, Nitrate detection, UV spectrophotometry

NF T20-253:1968 Chemical analysis of hydrochloric, nitric and sulphuric acids. Spectrophotometric determination of iron.
NF T90-436-1*NF ISO 15923-1:2014 Water quality - Determination of selected parameters by discrete analysis systems - Part 1 : ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
NF ISO 15923-1:2014 Qualité de l'eau - Détermination de paramètres sélectionnés par des systèmes d'analyse discrète - Partie 1 : ammonium, nitrate, nitrite, chlorure, orthophosphate, sulfate et silicate par détection photométrique
XP M07-115:2003 Petroleum products - Determination of Solvent Yellow 124 content in middle distillates - Method by extraction with hydrochloric acid and determination by UV-Visible spectrophotometry
NF EN 12396-3:2000 Aliments non gras - Détermination des résidus de dithiocarbamates et de bisulfures de thiurame - Partie 3 : méthode spectrométrique UV utilisant le xanthogénate

RU-GOST R, Nitrate detection, UV spectrophotometry

GOST EN 12014-3-2015 Foodstuffs. Determination of nitrate and/or nitrite content. Part 3. Spectrophotometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite

Hebei Provincial Standard of the People's Republic of China, Nitrate detection, UV spectrophotometry

DB13/T 2899-2018 Determination of iminodisuccinate content in urea by ultraviolet-visible spectrophotometry

BE-NBN, Nitrate detection, UV spectrophotometry

NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method

Indonesia Standards, Nitrate detection, UV spectrophotometry

SNI 19-6964.7-2003 Seawater quality - Part 7: Test methods of nitrates (NO3-N) with cadmium reduction by spectrophotometry
SNI 06-6989.9-2004 Water and waste water - Part 9: Test methods of nitrites (NO2-N) by spectrophotometry
SNI 03-4151-1996 Test methods for phosphate content in light sediment by hydrogen chloride using spectrophotometer apparatus in ammonium molybdat manuver
SNI 19-6964.1-2003 Seawater quality - Part 1: Test methods of nitrites (NO2-N) with sulfanilamides by spectrofotometry
SNI 06-6989.31-2005 Water and waste water - Part 31: Test methods of phosphate content by spectrophotometers with acid ascorbic

中华人民共和国国家卫生和计划生育委员会, Nitrate detection, UV spectrophotometry

GB 12374-1990 Standard method for the examination of nitrate in the atmosphere of residential areas

RO-ASRO, Nitrate detection, UV spectrophotometry

STAS SR ISO 6777:1996 Water quality - Determination of nitrite - Molecular absorption spectrometric method
STAS SR 3048-2-1996 Drinking water - Nitrites content determination - Molecular absorption spectrometric method

International Organization for Standardization (ISO), Nitrate detection, UV spectrophotometry

ISO 6777:1984 Water quality; Determination of nitrite; Molecular absorption spectrometric method
ISO 7890-3:1988 Water quality; determination of nitrate; part 3: spectrometric method using sulfosalicylic acid
ISO 7890-1:1986 Water quality; Determination of nitrate; Part 1 : 2,6-Dimethylphenol spectrometric method
ISO 15923-1:2013 Water quality.Determination of selected parameters by discrete analysis systems.Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
ISO 7890-2:1986 Water quality; Determination of nitrate; Part 2 : 4-Fluorophenol spectrometric method after distillation

British Standards Institution (BSI), Nitrate detection, UV spectrophotometry

BS 770-9:1985 Methods for chemical analysis of cheese. Determination of nitrate and nitrite contents. Cadmium reduction and photometry method
BS ISO 15923-1:2013 Water quality. Determination of selected parameters by discrete analysis systems. Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
BS EN 12396-3:2000 Non-fatty foods - Determination of dithiocarbamate and thiuram disulfide residues - UV spectrometric xanthogenate method

Professional Standard - Chemical Industry, Nitrate detection, UV spectrophotometry

HG/T 3526-2003 Industrial circulating cooling water-Determination of nitrite-Molecular absorption spectrometric method
HG/T 3526-2011 Industrial circulating cooling water determination of nitrate.Spectrophotometric method using sulfosalicylic acid
HG/T 3516-2011 Industrial circulating cooling water.Determination of nitrite.Molecular absorption spectrometric method
HG/T 3516-1999 Industrial circulating cooling water.Determiantion of nitrate.2,6-Dimethylphenol spectrometric method

国家质量监督检验检疫总局, Nitrate detection, UV spectrophotometry

SN/T 0859-2016 Determination of dehydroacetic acid in export seasonings by UV spectrophotometry

PL-PKN, Nitrate detection, UV spectrophotometry

PN Z04200-02-1988 Air purity protection ests for oxalic acid etermination of oxalic acid by ltraviolet absorption spectrophotometry
PN Z04169-02-1986 Air purity.protection Tests for 4,6-dinitroorthocreso! Determination of 4,6-dinitroorthocresol in work places by UV spectrophotometry absorption
PN Z04171-02-1986 Air purity protection ests for picric acid etermination of picric acid n work places by UV pectrophotometry absorption
PN C97088-1987 Coal derivative products UV spectrophotometric determination of tar acids content in coal tar and oils

German Institute for Standardization, Nitrate detection, UV spectrophotometry

DIN ISO 15923-1:2014-07 Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013)
DIN ISO 15923-1:2014 Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013)
DIN EN 12396-3:2000 Non-fatty foods - Determination of dithiocarbamate and thiuram disulfide residues - Part 3: UV-spectrometric xanthogenate method; German version EN 12396-3:2000

Professional Standard - Electricity, Nitrate detection, UV spectrophotometry

DL/T 502.30-2006 Analytical methods of steam and water in power plants Part 30: Determination of nitrates (Spectrometric method using salicylic acid)

Danish Standards Foundation, Nitrate detection, UV spectrophotometry

DS/EN ISO 13395:1997 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
DS/EN 12396-3:2000 Non-fatty foods - Determination of dithiocarbamate and thiuram disulfide residues - Part 3: UV spectrometric xanthogenate method

Lithuanian Standards Office , Nitrate detection, UV spectrophotometry

LST EN 12396-3-2000 Non-fatty foods - Determination of dithiocarbamate and thiuram disulfide residues - Part 3: UV spectrometric xanthogenate method
LST EN ISO 13395:2000 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996)

Professional Standard - Ocean, Nitrate detection, UV spectrophotometry

HY/T 0345-2022 Determination of seawater trace nitrite—Flow analysis,diazotization and spectrophotometric detection witha long path length flow cell
HY/T 0346-2022 Determination of seawater trace nitrate—Flow analysis,cadmium reduction,diazotization and spectrophotometric detection with a long path length flow cell

European Committee for Standardization (CEN), Nitrate detection, UV spectrophotometry

EN ISO 13395:1996 Water Quality - Determination of Nitrite Nitrogen and Nitrate Nitrogen and the Sum of Both by Flow Analysis (CFA and FIA) and Spectrometric Detection

ZA-SANS, Nitrate detection, UV spectrophotometry

SANS 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection

American Society for Testing and Materials (ASTM), Nitrate detection, UV spectrophotometry

ASTM D3133-96 Standard Test Method for Quantitative Determination of Cellulose Nitrate in Alkyd Modified Lacquers by Infrared Spectrophotometry

AENOR, Nitrate detection, UV spectrophotometry

UNE-EN ISO 13395:1997 WATER QUALITY. DETERMINATION OF NITRITE NITROGEN AND NITRATE NITROGEN AND THE SUM OF BOTH BY FLOW ANALYSIS (CFA AND FIA) AND SPECTROMETRIC DETECTION. (ISO 13395:1996).