Determination method of total nitrogen in water quality

Determination method of total nitrogen in water quality, Total:71 items.

The international standard classification for "Determination method of total nitrogen in water quality" includes: Water quality , Furniture .

The Chinese standard classification for "Determination method of total nitrogen in water quality" includes: Analysis methods for toxic substances in water , Furniture in general , Hydrogeological survey .

Professional Standard - Urban Construction

CJ 26.20-1991 Determination of Standard Total Chromium in Municipal Sewage Water Quality Inspection Method
CJ 26.27-1991 Municipal sewage water quality inspection method standard Determination of total nitrogen Titration method after distillation
CJ 26.25-1991 Determination of Standard Ammonia Nitrogen in Municipal Sewage Water Quality Inspection Method
CJ 26.13-1991 Municipal sewage water quality test method Determination of standard aniline Azo spectrophotometric method

Taiwan Provincial Standard of the People's Republic of China

CNS 3944-1976 Method for Determination of Total Kjeloahl Nitrogen in Polluted and Waste Water

Group Standards of the People's Republic of China

T/QAS 071-2021 Determination of total nitrogen in brine Kjeldahl method
T/CHES 15-2017 Determination of Total Nitrogen in Water Quality Gas Phase Molecular Absorption Spectrometry

Professional Standard - Environmental Protection

HJ/T 199-2005 Water quality -- Determination of total-nitrogen Gas-phase molecular absorption spectrometry

Professional Standard - Agriculture

HJ 199-2023 Water quality―Determination of total nitrogen ―Gas-phase molecular absorption spectrometry
SL/T 788.1-2019 Part 1: Determination of total nitrogen in water quality

Heilongjiang Provincial Standard of the People's Republic of China

DB23/T 3310-2022 Water quality total nitrogen monitoring technical specification

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

GB/T 32437-2015 esting methods for harmful substances of furniture―General guidelines

Professional Standard - Geology

DZ/T 0064.1-1993 Groundwater quality test methods - general principles

Standard Association of Australia （SAA）

AS 1871.11:1976 List of methods for examination of waters Nitrogen (total Kjeldahl incl. ammoniacal)
AS 1871.10:1976 List of methods for examination of waters Nitrogen (ammonia)
AS 1871.9:1976 List of methods for examination of waters Nitrogen (albuminoid)

Japanese Industrial Standards Committee (JISC)

JIS K 0170-3:2011 Testing methods for water quality by flow analysis -- Part 3: Total nitrogen
JIS K 0170-3:2019 Testing methods for water quality by flow analysis -- Part 3: Total nitrogen
JIS K 0400-44-40:2000 Water quality -- Determination of Kjeldahl nitrogen -- Method after mineralization with selenium
JIS K 0551:1994 Testing methods for total organic carbon in highly purified water

American Society for Testing and Materials (ASTM)

ASTM D3590-02 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-11 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-17 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D8001-16 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D8001-16e1 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D8001-16(2024) Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM RR-D19-1194 2016 D8083-Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM D8083-16 Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM D8083-24 Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM D8083-16(2023) Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM D5176-20 Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-91(1995) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-91(2003) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-08 Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-08(2015) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D3590-89(1994)e1 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-02(2006) Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D5475-93(1997) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
ASTM D1426-98 Standard Test Methods for Ammonia Nitrogen In Water

VN-TCVN

TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
TCVN 6498-1999 Soil quality.Determination of total nitrogen.Modifierd Kejldahl method

European Committee for Standardization (CEN)

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

International Organization for Standardization (ISO)

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

Korean Agency for Technology and Standards (KATS)

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
KS I ISO 13395-2024 Water quality — Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection

South African Bureau of Standard

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

Gosstandart of Russia

GOST 10671.4-2016 Reagents. Methods for determination of total nitrogen impurity
GOST 33045-2014 Water. Methods for determination of nitrogen-containing matters

Ente Nazionale Italiano di Unificazione

UNI 11658:2016 Water quality - Determination of Total Nitrogen in waste, natural and drinking waters with small-scale sealed-tube method
UNI EN 12260:2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides

The Directorate General of Specifications and Metrology (DGSM)

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

Danish Standards Foundation

DANSK DS/ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
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 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

Standards Norway

NS 4865:1983 Air quality — Determination of the sum of nitrite- and nitrate-nitrogen in precipitation
NS-EN 15750:2009 Fertilizers — Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
SN-CEN/TS 15750:2008 Fertilizers — Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

GCC Standardization Organization

GSO ISO 29441:2013 Water quality -- Determination of total nitrogen after UV digestion -- Method using flow analysis (CFA and FIA) and spectrometric detection
GSO ISO 23695:2024 Water quality — Determination of ammonium nitrogen in water — Small-scale sealed tube method

British Standards Institution (BSI)

BS 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified Kjeldahl method
BS DD CEN/TS 15750:2008 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS 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

PL-PKN

PN C04576 ArkusZ12-1973 Water and waste water Tests for nitrogenDetermination of total nitrogen of Kjeldahl

SE-SIS

SIS SS 02 81 86-1985 Determination of total arsenic in water - Silver diethyldithiocarbamate spectrometric method

Indonesia Standards

SNI 06-2413-2002 Test methods for solid matter content in water
SNI 9696-2009 Water quality - Measurement of total alpha radioactivity in water - Thick source method

German Institute for Standardization

DIN EN 25663:1993 Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984); German version EN 25663:1993
DIN EN 15750:2010-02 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009

Spanish Association for Standardization (UNE)

UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
AENOR UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

BE-NBN

NBN V 21-013-1978 Determination of the total nitrogen contaimng substances content of milk - Amido black method

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