Determination method of ammonia nitrogen in water Spectrophotometry

Determination method of ammonia nitrogen in water Spectrophotometry, Total:114 items.

The international standard classification for "Determination method of ammonia nitrogen in water Spectrophotometry" includes: Water quality , Animal feeding stuffs , Workplace atmospheres , Boilers and heat exchangers .

The Chinese standard classification for "Determination method of ammonia nitrogen in water Spectrophotometry" includes: Analysis methods for toxic substances in water , Analysis methods for exhaust emission pollutants , Environmental Quality Standard for atmosphere, water and soil , Hydrogeological survey , Livestock and poultry feed and additive , Labor sanitation , Boiler and its auxiliary equipment , Diagnostic standard for occupational diseases , Basic standards and general methods on chemical fertilizers , Sugar refining , Basic standards and general methods .

Professional Standard - Environmental Protection

HJ/T 64.3-2001 Stationary source emission -- Determination of cadmium p-Azobenzenediazoaminazobenzene sulfonic acid spectrophotometric method
HJ/T 346-2007 Water quality-Determination of nitrate-nitrogen-Ultraviolet spectrophotometry
HJ 665-2013 Water quality - Determination of ammonium nitrogen by continuous flow analysis(CFA) and Salicylic acid spectrophotometry
HJ 536-2009 Water quality-Determination of ammonia nitrogen-Salicylic acid spectrophotometry
HJ/T 195-2005 Water quality -- Determination of ammonia-nitrogen Gas-phase molecular absorption spectrometry
HJ 666-2013 Water quality-Determination of ammonium nitrogen by flow injection analysis (FIA) and Salicylic acid spectrophotometry
HJ 634-2012 Soil-Determination of ammonium,nitrite and nitrate by extraction with potassium chloride solution -spectrophotometric methods
HJ 535-2009 Water Quality - Determination of Ammonia Nitrogen - Nesslers Reagent Spectrophotometry
HJ 550-2009 Water quality - Determination of cobalt - 5-CI-PADAB spectrophotometry
HJ 1191-2021 Water quality—Determination of azide—Spectrophotometry
HJ 550-2015 Water quality - Determination of cobalt - 5-CI-PADAB Spectrophotometry

Hunan Provincial Standard of the People's Republic of China

DB43/T 1403-2018 Water Quality Determination of Ammonia Nitrogen-Gas-liquid Separation and Collection Spectrophotometry

Group Standards of the People's Republic of China

T/CHES 12-2017 Water Quality Determination of Ammonia Nitrogen Gas Phase Molecular Absorption Spectrometry
T/NAIA 004-2020 Determination of Ammonia Nitrogen Concentration in Rumen Fluid Alkaline Sodium Hypochlorite-Phenol Spectrophotometry
T/ZJATA 0024-2024 Water quality Determination of ammonia nitrogen Pre-made Nessler reagent spectrophotometry
T/CHES 27-2019 Water Quality Determination of Ammonia Nitrogen Automatic Analysis Nessler's Reagent Spectrophotometry

Professional Standard - Geology

DZ/T 0064.23-2021 Methods for analysis of groundwater quality- Part 23: Determination of iron content - Phenanthrolion spectrophotometry
DZ/T 0064.23-1993 Groundwater quality test methods - the determination of iron with naphthisodiazine spectrophotometric determination
DZ/T 0064.57-2021 Methods for analysis of groundwater quality- Part 57: Determination of ammonia nitrogen- Nessler's reagent spectrophotometry

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

GB/T 7493-1987 quality - Determination of nitrogen (nitrite) - Spectrophotometric method
GB/T 15400-1994 Determination of tryptophan in feedstuffs - Spectrophotometry
GB/T 7480-1987 quality - Determination of nitrate - Spectrophotometric method with phenol disulfonic acid
GB/T 14422-1993 Analysis of water used in boiler and cooling system－Determination of benzotriazole－Ultraviolet spectrophotometry
GB/T 20931.9-2007 Methods for chemical analysis of lithium—Determination of nitrogen content—Mercuric potassium iodide spectrophotometric method
GB/T 11843-1989 Uranium dioxide powder and pellets. Determination of nitrogen. Spectrophotometric method
GB 11843-1989 Determination of Nitrogen in Uranium Dioxide Powder and Pellets Spectrophotometric Method
GB/T 16031-1995 Workplace air--Determination of ammonia--Messlerreagent spectrophotometric method
GB/T 16072-1995 Workplace air--Determination of phenol--4-Amino-antipyrine spectrophotometric method

中华人民共和国国家卫生和计划生育委员会

WS/T 55-1996 Urine - Determination of 4-aminophenol - Spectrophotometric method

Professional Standard - Agriculture

NY/T 1116-2006 Fertilizers - Determination of nitrate nitrogen content - Ultraviolet spectro - Photometric method
HJ 195-2023 Water quality―Determination of ammonia nitrogen―Gas-phase molecular absorption spectrometry
SC/T 9444-2023 Determination of ammonia-nitrogen in aquaculture water by gas- phase molecular absorption spectrometry method

Professional Standard - Commodity Inspection

SN/T 0850-2000 Method for the determination of proline in honey for import and export - Spectrophotometry

中华人民共和国环境保护部

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

Professional Standard - Hygiene

WS/T 48-1996 Urine - Determination of phenol - Spectrophotometric method
WS/T 23-1996 Urine—Determination of δ-aminolevulinic acid—Spectrophotometric method
WS/T 43-1996 Urine—Determination of nickel—Spectrophotometric method
WS/T 36-1996 Urine - Determination of chromium - Spectrophotometric method

Professional Standard - Urban Construction

CJ/T 63-1999 Municipal sewage.Determination of aniline compounds.AZO spectrophotometric method
CJ 26.13-1991 Municipal sewage water quality test method Determination of standard aniline Azo spectrophotometric method
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

Professional Standard - Nuclear Industry

EJ/T 20172-2018 Determination of Nitrogen in Sodium Cooled Fast Neutron Breeder Reactor by Spectrophotometry

Professional Standard - Electricity

DL/T 522.1-1993 Determination of acetoxime (DMKO) in water
DL/T 1984-2019 Determination of ammonia content in fly ash of coal-fired boiler-Spectrophotometric method

未注明发布机构

DIN EN ISO 4945 E:2018-01 Determination of steel nitrogen by spectrophotometry (draft)

Professional Standard - Meteorology

QX/T 217-2013 Determination of ammonia and ammonium in ambient air with indophenol blue spectrophotometry

Professional Standard - Coal

MT/T 362-1994 Determination method of lead in coal mine water-Atomic absorption spectrophotometry
MT/T 363-1994 Determination of Zinc in Coal Mine Water - Atomic Absorption Spectrophotometry
MT/T 365-1994 Method for Determination of Manganese in Coal Mine Water - Atomic Absorption Spectrophotometry
MT/T 361-1994 Determination of Copper in Coal Mine Water - Atomic Absorption Spectrophotometry
MT/T 364-1994 Determination method of cadmium in coal mine water - Atomic absorption spectrophotometry

Professional Standard - Petroleum

SY/T 0530-1993 Spectrophotometric method for the determination of oil content in oilfield sewage
SY 0530-2011 Spectrophotometric method for determination of oil content in oilfield produced water

Professional Standard - Ocean

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

Association Francaise de Normalisation

NF T90-080:1997 Water quality - Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection.
NF T20-286:1982 Nitric acid for industrial use. Determination of ammoniacal nitrogen content. Spectrophotometric method.
NF A06-555*NF EN ISO 4945:2018 Steel - Determination of nitrogen - Spectrophotometric method
NF T20-297:1971 Chemical analysis of sulphuric acid and oleum. Determination of ammoniacal nitrogen. Spectrophotometric method.
NF T90-080*NF EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection.
NF A06-555:2010 Steel - Determination of nitrogen content - Spectrophotometric method.
NF EN ISO 11732:2005 Water quality - Determination of ammoniacal nitrogen - Flow analysis method (CFA and FIA) and spectrometric detection

BE-NBN

NBN T 91-254-1976 Water analysis methods - Determination of the ammoniacal nitrogen -Direct photometric methodwith sodium phenate
NBN T 91-251-1976 Water analysis methods — Determination of the ammoniacal nitrogen — Direct photometric method with Nessler reagent
NBN T 03-041-1979 Nitric acid for industrial use - Determination of ammoniacal nitrogen content - Spectrophotometric method
NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method
NBN T 03-024-1979 Sulphuric acid and oleum for industrial use - Determination of ammoniacal nitrogen content - Spectrophotometric method
NBN T 91-256-1977 Water analysis methods - Determination of the nitrate nitrogen -Photometric method with chromotropic acid

SCC

UNE 36317-1:1985 DETERMINATION OF NITROGEN CONTENT OF STEELS. SPECTROPHOTOMETRIC METHOD
DANSK DS/EN ISO 4945:2009 Steel – Determination of nitrogen content – Spectrophotometric method
NS-EN ISO 4945:2018 Steel - Determination of nitrogen - Spectrophotometric method (ISO 4945:2018)
NS 9803:1993 Water analysis — Determination of oil in water — Infrared spectrophotometric method

Korean Agency for Technology and Standards (KATS)

KS D ISO 4945-2002(2017) Steel－Determination of nitrogen content－Spectrophotometric method
KS I ISO 11732:2008 Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS I ISO 6332:2021 Water quality ― Determination of iron —Spectrometric method using 1,10-phenanthroline
KS D ISO 4945:2002 Steel－Determination of nitrogen content－Spectrophotometric method
KS I ISO 11732-2008(2018) Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection

International Organization for Standardization (ISO)

ISO 2991:1974 Nitric acid for industrial use; Determination of ammoniacal nitrogen content; Spectrophotometric method
ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
ISO 4945:1977 Steel; Determination of nitrogen content; Spectrophotometric method
ISO 11732:1997 Water quality - Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection
ISO 4945:2018 Steel - Determination of nitrogen - Spectrophotometric method
ISO 2899:1974 Sulphuric acid and oleums for industrial use; Determination of ammoniacal nitrogen content; Spectrophotometric method
ISO 6332:1982 Water analysis — Determination of iron — 1,10-phenanthroline photometric method

TR-TSE

TS 3651-1981 METHODS FOR THE ANALYSIS OF WATER — DETERMINATION OF IRON CONTENT — 1,10 Phenanthroline Spectrophotometry Method
TS 2466-1976 Nitric Acit For Industrial Use Determination of Ammoniacal Nitrogen Content Spectrophotoraetric Method

British Standards Institution (BSI)

BS EN ISO 4945:2018 Steel. Determination of nitrogen. Spectrophotometric method
BS EN ISO 4945:2010 Steel. Determination of nitrogen content. Spectrophotometric method
BS EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method

YU-JUS

JUS H.B8.637-1981 Sulphuric acid for industrial use. Determination of ammoniacal nitrogen content. Spectrophotometric method
JUS H.G8.130-1984 Reagents. Ammonia solution. Determination of iron content. 1,10—Phenanthrolinespectrophotometric method

ES-UNE

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

German Institute for Standardization

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

GSO

NB/T 11531-2024 Determination of total phosphorus, ammonia nitrogen and permanganate index in coal mine water - Flow injection-spectrophotometry
OS GSO ISO 4945:2015 Steel -- Determination of nitrogen content -- Spectrophotometric method

ES-AENOR

UNE 36-317 Pt.1-1985 Determination of nitrogen in steel. Spectrophotometry

KR-KS

KS D ISO 4945-2022 Steel — Determination of nitrogen — Spectrophotometric method
KS I ISO 6332-2021 Water quality ― Determination of iron —Spectrometric method using 1,10-phenanthroline

American Society for Testing and Materials (ASTM)

ASTM UOP276-85 Pyrrole Nitrogen in Petroleum Distillates by Visible Spectrophotometry
ASTM D1426-98 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-03 Standard Test Methods for Ammonia Nitrogen In Water

RO-ASRO

STAS SR 13348-1-1996 Tea. Analysis methods. Determination of proteic nitrogen by the Kjeldahl method. Spectrophotometric method

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)

Danish Standards Foundation

DS/EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method

BSI

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

IT-UNI

UNI 7336-1974 Chemical analysis of ferrous materials. Determination of nitrogen in steel. Spectrophotometric method.

PL-PKN

PN Z04009-02-1991 Air purity protection Tests for nitrogen compounds Determination of ammonia in the atmosphere (imision) by photometric, indophenol method
PN Z04009-03-1990 Air purity protection Tests for nitrogen compounds Determination of ammonia in work places by spectrophotometry in visible spectra] region, indopheno] method

NO-SN

NS 9803-1993 Water analysis. Determination of oil in water. Infrared spectrophotometric method

Others: Determination method of ammonia nitrogen in water,Method for Determination of Ammonia Nitrogen in Wastewater,Determination method of ammonia nitrogen in water and