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Determination of total nitrogen in soil

Determination of total nitrogen in soil, Total:463 items.

In the international standard classification, Determination of total nitrogen in soil involves: Soil quality. Pedology, Fertilizers, Farming and forestry, Particle size analysis. Sieving, Wastes, Milk and milk products, Animal feeding stuffs, Fuels, Radiation measurements, Agricultural machines, implements and equipment, Vocabularies, Water quality, Cereals, pulses and derived products, Pesticides and other agrochemicals, Medical sciences and health care facilities in general, Pipeline components and pipelines, ENVIRONMENT. HEALTH PROTECTION. SAFETY, Construction materials, Earthworks. Excavations. Foundation construction. Underground works, Products of the textile industry, Road vehicles in general, Organic chemicals, Lubricants, industrial oils and related products, Protection against fire, Metalliferous minerals, Nuclear energy engineering.

Indonesia Standards, Determination of total nitrogen in soil

SNI 13-4721-1998 Methods for determination of total nitrogen content in soils
SNI 06-6323-2000 Determination of total nitrogen content in peat
SNI 13-4719-1998 Methods for moisture determination of soils
SNI 13-4722-1998 Method for determination of soluble chloride in soils
SNI 13-4720-1998 Methods for determination of organic carbon content in soils

GOSTR, Determination of total nitrogen in soil

GOST R 58596-2019 Soils. Methods for determination of total nitrogen

Korean Agency for Technology and Standards (KATS), Determination of total nitrogen in soil

KS I ISO 11261-2008(2018) Soil quality－Determination of total nitrogen－Modified Kjeldahl method
KS I ISO 11261-2008(2021) Soil quality－Determination of total nitrogen－Modified Kjeldahl method
KS I ISO 11261:2008 Soil quality-Determination of total nitrogen-Modified Kjeldahl method
KS I ISO 14255:2009 Soil quality－Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
KS I ISO 14255-2009(2019) Soil quality－Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
KS I ISO 13878:2009 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
KS I ISO 23753-2:2006 Soil quality－Determination of dehydrogenase activity in soils－ Part 2：Method using iodotetrazolium chloride(INT)
KS I ISO 23753-1:2021 Soil quality — Determination of dehydrogenases activity in soils —Part 1: Method using triphenyltetrazolium chloride(TTC)
KS I ISO 11262:2019 Soil quality ― Determination of total cyanide
KS I ISO 14238:2018 Soil quality ― Biological methods ― Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
KS I ISO 23753-1-2006(2016) Soil quality－Determination of dehydrogenase activity in soils－ Part 1：Method using triphenyltetrazolium chloride(TTC)
KS I ISO 14238:2008 Soil quality-Biological methods-Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
KS I ISO 15178:2009 Soil quality-Determination of total sulfur by dry combustion
KS I ISO 13878-2009(2019) Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
KS I ISO 20295:2019 Soil quality — Determination of perchlorate in soil using ion chromatography
KS A ISO 18589-6-2012(2022) Measurement of radioactivity in the environment－Soil－Part 6：Measurement of gross alpha and gross beta activities
KS A ISO 18589-1-2012(2022) Measurement of radioactivity in the environment－Soil－Part 1：General guidelines and definitions
KS A ISO 18589-1-2012(2017) Measurement of radioactivity in the environment－Soil－Part 1：General guidelines and definitions
KS I ISO 10573:2005 Soil quality-Determination of water content in the unsaturated zone(Neutron depth probe method)
KS I ISO 15685:2005 Soil quality－Determination of potential nitrification and inhibition of nitrification－Rapid test by ammonium oxidation
KS I ISO 10694:2021 Soil quality — Determination of organic and total carbon after dry combustion(elementary analysis)
KS I ISO 10694-2005(2015) Soil quality－Determination of organic and total carbon after dry combustion(elementary analysis)
KS I ISO 14869-2:2019 Soil quality — Dissolution for the determination of total element content ― Part 2: Dissolution by alkaline fusion
KS M ISO 20280:2008 Soil quality-Determination of arsenic, antimony and selenium in aqua regia soil extracts with electrothermal or hydride-generation atomic absorption spectrometry

International Organization for Standardization (ISO), Determination of total nitrogen in soil

ISO 11261:1995 Soil quality - Determination of total nitrogen - Modified Kjeldahl method
ISO 14255:1998 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
ISO 20620:2021 Fertilizers and soil conditioners - Determination of total nitrogen by combustion
ISO 23753-2:2005 Soil quality - Determination of dehydrogenase activity in soils - Part 2: Method using iodotetrazolium chloride (INT)
ISO 23400:2021 Guidelines for the determination of organic carbon and nitrogen stocks and their variations in mineral soils at field scale
ISO 22145:2021 Fertilizers and soil conditioners - Mineral soil amendments - Determination of total calcium and magnesium content
ISO 14238:1997 Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
ISO 20295:2018 Soil quality - Determination of perchlorate in soil using ion chromatography
ISO 15178:2000 Soil quality - Determination of total sulfur by dry combustion
ISO 10573:1995 Soil-quality - Determination of water content in the unsaturated zone - Neutron depth probe method
ISO 18589-6:2009 Measurement of radioactivity in the environment - Soil - Part 6: Measurement of gross alpha and gross beta activities
ISO 23753-1:2019/Amd 1:2020 Soil quality — Determination of dehydrogenases activity in soils — Part 1: Method using triphenyltetrazolium chloride (TTC) — Amendment 1
ISO 11277:2020 Soil quality — Determination of particle size distribution in mineral soil material — Method by sieving and sedimentation
ISO/FDIS 5120 Soil quality — Determination of perchlorate in soil using liquid chromatography-tandem mass spectrometry (LC-MS/MS)
ISO 5120:2023 Soil quality — Determination of perchlorate in soil using liquid chromatography-tandem mass spectrometry (LC-MS/MS)
ISO 15685:2004 Soil quality - Determination of potential nitrification and inhibition of nitrification - Rapid test by ammonium oxidation
ISO 15685:2012 Soil quality - Determination of potential nitrification and inhibition of nitrification - Rapid test by ammonium oxidation
ISO 14238:2012 Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
ISO 23753-2:2019 Soil quality — Determination of dehydrogenases activity in soils — Part 2: Method using iodotetrazolium chloride (INT)

AENOR, Determination of total nitrogen in soil

UNE 77318:2001 Soil quality. Determination of total nitrogen. Modified Kjeldahl method.
UNE 77306:1999 SOIL QUALITY. DETERMINATION OF NITRATE NITROGEN, AMMONIUM NITROGEN AND TOTAL SOLUBLE NITROGEN IN AIR-DRY SOIL USING CALCIUM CHLORIDE SOLUTION AS EXTRACTANT.
UNE 77325:2003 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").
UNE-EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
UNE 103206:2006 Determination of gypsum content in soils
UNE 77326:2004 Soil quality -- Biological methods -- Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
UNE-EN 13654-1:2002 Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method
UNE 103200:1993 DETERMINATION OF CARBONATE CONTENT IN SOILS.
UNE 103205:2006 Determination of soluble salts content in soils.
UNE 103600:1996 DETERMINATION OF EXPANSIVITY IN A SOIL IN THE LAMBE APPARATUS.
UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
UNE-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
UNE-EN 13654-2:2002 Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method
UNE 103202:1995 QUALITATIVE DETERMINATION OF SOLUBLES SULPHATES CONTENT IN A SOIL.
UNE-EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
UNE 77314:2001 Soil quality. Determination of particle size distribution in mineral soil material. Method by sieving and sedimentation.
UNE 103402:1998 DETERMINATION OF STRENGTH PARAMETERS OF A SOIL IN TRIAXIAL SET APPARATUS.
UNE-EN 13738:2005 Geotextiles and geotextile-related products - Determination of pullout resistance in soil
UNE 77321:2003 Soil quality. Determination of organic and total carbon after dry combustion (elementary analysis).

German Institute for Standardization, Determination of total nitrogen in soil

DIN ISO 14255:1998-11 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant (ISO 14255:1998)
DIN ISO 14255:1998 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant (ISO 14255:1998)
DIN ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis") (ISO 13878:1998)
DIN ISO 23753-2:2006 Soil quality - Determination of dehydrogenase activity in soils - Part 2: Method using iodotetrazolium chloride (INT) (ISO 23753-2:2005);English version of DIN ISO 23753-2:2006-04
DIN 19746:2005-06 Soil quality - Determination of mineral nitrogen (nitrat and ammonium) in soil profiles (Nmin laboratory method)
DIN EN 16168:2012-11 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method; German version EN 16168:2012
DIN ISO 15178:2001-02 Soil quality - Determination of total sulfur by dry combustion (ISO 15178:2000)
DIN ISO 11262:2012-04 Soil quality - Determination of total cyanide (ISO 11262:2011)
DIN EN 15478:2009 Fertilizers - Determination of total nitrogen in urea; English version of DIN EN 15478:2009-04
DIN EN 15478:2009-04 Fertilizers - Determination of total nitrogen in urea; German version EN 15478:2009
DIN 19746:2005 Soil quality - Determination of mineral nitrogen (nitrat and ammonium) in soil profiles (Nmin laboratory method)
DIN EN ISO 14238:2014-03 Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes (ISO 14238:2012); German version EN ISO 14238:2013
DIN ISO 15178:2001 Soil quality - Determination of total sulfur by dry combustion (ISO 15178:2000)
DIN ISO 11262:2012 Soil quality - Determination of total cyanide (ISO 11262:2011)
DIN ISO 11261:1997 Soil quality - Determination of total nitrogen - Modified Kjeldahl method (ISO 11261:1995)
DIN EN 13654-1:2002-01 Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method; German version EN 13654-1:2001
DIN EN ISO 17184:2014-09 Soil quality - Determination of carbon and nitrogen by near-infrared spectrometry (NIRS) (ISO 17184:2014); German version EN ISO 17184:2014
DIN 19741:2012 Soil quality - Determination of contents of the platinum group elements (platinum, palladium, rhodium) in soils, soil materials and sludges
DIN 19741:2012-01 Soil quality - Determination of contents of the platinum group elements (platinum, palladium, rhodium) in soils, soil materials and sludges
DIN EN 16169:2012-11 Sludge, treated biowaste and soil - Determination of Kjeldahl nitrogen; German version EN 16169:2012
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
DIN ISO 14238:2011 Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes (ISO/DIS 14238:2011)
DIN EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; English version of DIN EN 15560:2009-06
DIN EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method; German version EN 16168:2012
DIN EN 13654-2:2002 Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method; German version EN 13654-2:2001
DIN EN 15560:2021 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German and English version prEN 15560:2021
DIN CEN/TS 15750:2008 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version CEN/TS 15750:2008
DIN EN 13654-2:2002-01 Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method; German version EN 13654-2:2001
DIN EN 15561:2021 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German and English version prEN 15561:2021
DIN EN 15561:2021-12 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German and English version prEN 15561:2021 / Note: Date of issue 2021-11-05*Intended as replacement for DIN EN 15561 (2009-06).
DIN EN 15561:2009-06 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version EN 15561:2009 / Note: To be replaced by DIN EN 15561 (2021-12).
DIN EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; English version of DIN EN 15561:2009-06
DIN EN ISO 14238:2014 Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes (ISO 14238:2012); German version EN ISO 14238:2013
DIN EN ISO 23753-2:2011 Soil quality - Determination of dehydrogenase activity in soil - Part 2: Method using iodotetrazolium chloride (INT) (ISO 23753-2:2005); German version EN ISO 23753-2:2011
DIN CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version CEN/TS 15561:2007
DIN CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German version CEN/TS 15560:2007
DIN EN 13738:2005 Geotextiles and geotextile-related products - Determination of pullout resistance in soil; German version EN 13738:2004
DIN EN 13738:2005-02 Geotextiles and geotextile-related products - Determination of pullout resistance in soil; German version EN 13738:2004
DIN 19683-13:2007-07 Soil quality - Physical laboratory tests - Part 13: Determination of soil volume percentage, total pore volume and pore number of mineral soils
DIN 19682-5:1997 Methods of soil investigations for agricultural water engineering - Field tests - Part 5: Determination of soil moisture
DIN EN 15560:2009-06 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German version EN 15560:2009 / Note: To be replaced by DIN EN 15560 (2021-12).
DIN EN 13654-1:2002 Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method; German version EN 13654-1:2001
DIN ISO 14869-2:2003-01 Soil quality - Dissolution for the determination of total element content - Part 2: Dissolution by alkaline fusion (ISO 14869-2:2002)
DIN EN ISO 23753-2:2021-09 Soil quality - Determination of dehydrogenases activity in soils - Part 2: Method using iodotetrazolium chloride (INT) (ISO 23753-2:2019 + Amd 1:2020); German version EN ISO 23753-2:2019 + A1:2020

VN-TCVN, Determination of total nitrogen in soil

TCVN 7373-2004 Soils quality.Index values of total nitrogen content in the soils of Vietnam
TCVN 6643-2000 Soil quality.Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
TCVN 6498-1999 Soil quality.Determination of total nitrogen.Modifierd Kejldahl method
TCVN 4053-1985 Soil.Method for the determination of total potassium
TCVN 4050-1985 Soil.Method for the determination of total organic matter
TCVN 6653-2000 Soil quality.Biological methods.Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
TCVN 6645-2000 Soil quality.Determination of total nitrogen content by dry combustion ("elemental analysis")

RU-GOST R, Determination of total nitrogen in soil

GOST 26107-1984 Soils. Methods for determination of total nitrogen
GOST 27753.8-1988 Greenhouse grounds method for determination of ammonium nitrogen
GOST R 53219-2008 Soil quality. Determination of nitrogen in air-dry soils using calcium chloride solution
GOST 27753.7-1988 Greenhouse grounds methods for determination of nitrate nitrogen
GOST EN 15478-2013 Fertilizers. Determination of total nitrogen in urea
GOST 27753.4-1988 Greenhouse grounds. Method for determination of total salts content
GOST ISO 14238-2014 Soil quality. Biological methods. Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
GOST R 54477-2011 Soils. Methods for laboratory determination of soil deformation characteristics in road construction
GOST R 54477-2011(2019) Soils. Methods for laboratory determination of soil deformation characteristics in road construction
GOST R 54476-2011 Soils. Methods of laboratory determination of characteristics of shear resistance of soils in road construction
GOST R 54476-2011(2019) Soils. Methods of laboratory determination of characteristics of shear resistance of soils in road construction
GOST 30181.3-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in fertilizers with nitrate nitrogen
GOST EN 15750-2016 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
GOST EN 15560-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
GOST EN 15561-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates

British Standards Institution (BSI), Determination of total nitrogen in soil

BS 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified Kjeldahl method
BS ISO 20620:2021 Fertilizers and soil conditioners. Determination of total nitrogen by combustion
BS EN ISO 23753-2:2011 Soil quality. Determination of dehydrogenase activity in soils. Method using iodotetrazolium chloride (INT)
20/30419338 DC BS EN ISO 20620. Fertilizers and soil conditioners. Determination of total nitrogen by combustion
BS EN ISO 23753-1:2011 Soil quality. Determination of dehydrogenase activity in soil. Method using triphenyltetrazolium chloride (TTC)
BS ISO 11262:2011 Soil quality. Determination of total cyanide
BS EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
BS EN 13654-2:2001 Soil improvers and growing media - Determination of nitrogen - Dumas method
BS ISO 18589-6:2019 Measurement of radioactivity in the environment - Soil - Measurement of gross alpha and gross beta activities
BS ISO 18589-6:2009 Measurement of radioactivity in the environment - Soil - Measurement of gross alpha and gross beta activities
BS ISO 20295:2018 Soil quality. Determination of perchlorate in soil using ion chromatography
20/30399864 DC BS ISO 23400. Guidelines for the determination of organic carbon and nitrogen stocks and their variations in mineral soil at field scale
BS EN 16168:2012 Sludge, treated biowaste and soil. Determination of total nitrogen using dry combustion method
BS ISO 22145:2021 Fertilizers and soil conditioners. Mineral soil amendments. Determination of total calcium and magnesium content
BS EN ISO 14238:2013 Soil quality. Biological methods. Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
20/30358417 DC BS ISO 22145. Fertilizers and soil conditioner. Mineral soil amendments. Determination of total Calcium and Magnesium content
BS EN 13654-1:2001 Soil improvers and growing media - Determination of nitrogen - Modified Kjeldahl method
BS EN 16169:2012 Sludge, treated biowaste and soil. Determination of Kjeldahl nitrogen
BS ISO 23400:2021 Guidelines for the determination of organic carbon and nitrogen stocks and their variations in mineral soils at field scale
DD CEN/TS 15560:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
21/30442087 DC BS EN 15560. Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
BS EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
BS EN 15750:2010 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
DD CEN/TS 15561:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN 15561:2023 Inorganic fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN ISO 23753-2:2019+A1:2020 Soil quality Determination of dehydrogenases activity in soils - Method using iodotetrazolium chloride (INT)
18/30332191 DC BS ISO 11277. Soil quality. Determination of particle size distribution in mineral soil material. Method by sieving and sedimentation
BS EN 13738:2004 Geotextiles and geotextile-related products - Determination of pullout resistance in soil
BS EN 13738:2004(2006) Geotextiles and geotextile-related products - Determination of pullout resistance in soil
21/30442090 DC BS EN 15561. Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN ISO 18589-6:2021 Measurement of radioactivity in the environment. Soil - Gross alpha and gross beta activities. Test method using gas-flow proportional counting
BS DD CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
BS DD CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
BS EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN ISO 23753-1:2019+A1:2020 Soil quality. Determination of dehydrogenases activity in soils - Method using triphenyltetrazolium chloride (TTC)
23/30456345 DC BS ISO 11277 AMD 1. Soil quality. Determination of particle size distribution in mineral soil material. Method by sieving and sedimentation
BS ISO 5120:2023 Soil quality. Determination of perchlorate in soil using liquid chromatography-tandem mass spectrometry (LC-MS/MS)
22/30433247 DC BS ISO 5120. Soil quality. Determination of perchlorate in soil using liquid chromatography-tandem mass spectrometry (LCMS/MS)

Association Francaise de Normalisation, Determination of total nitrogen in soil

NF X31-111*NF ISO 11261:1995 Soil quality. Determination of total nitrogen. Modified kjeldahl method.
NF U42-504*NF ISO 20620:2022 Fertilizers and soil conditioners - Determination of total nitrogen by combustion
NF X31-418*NF ISO 13878:1998 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").
NF ISO 13878:1998 Qualité du sol - Détermination de la teneur totale en azote par combustion sèche ("analyse élémentaire")
NF X31-115:2001 Soil quality - Sampling and storage of soil samples in view of determination of mineral nitrogen on fresh soil.
NF EN 16168:2012 Boues, biodéchets traités et sols - Détermination de la teneur totale en azote par combustion sèche
NF U42-147*NF EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrate
NF X31-407*NF ISO 11262:2012 Soil quality - Determination of total cyanide.
NF ISO 11262:2012 Qualité du sol - Dosage des cyanures totaux
NF EN 15478:2009 Engrais - Détermination de l'azote total dans l'urée
NF EN ISO 23753-2/A1:2020 Qualité du sol - Détermination de l'activité des déshydrogénases dans les sols - Partie 2 : méthode au chlorure de iodotétrazolium (INT) - Amendement 1
NF M60-790-6:2009 Measurements of radioactivity in the environment - Soil - Part 6 : measurements of gross alpha and gross beta activities.
NF X31-036*NF EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method.
NF X31-293-1/A1:2020 Soil quality - Determination of dehydrogenases activity in soils - Part 1 : method using triphenyltetrazolium chloride (TTC) - Amendment 1
NF EN ISO 23753-1/A1:2020 Qualité du sol - Détermination de l'activité des déshydrogénases dans les sols - Partie 1 : méthode au chlorure de triphényltétrazolium (CTT) - Amendement 1
NF EN ISO 14238:2014 Qualité du sol - Méthodes biologiques - Détermination de la minéralisation de l'azote et de la nitrification dans les sols, et de l'influence des produits chimiques sur ces processus
NF U42-416*NF EN 15478:2009 Fertilizers - Determination of total nitrogen in urea.
NF EN 13654-1:2002 Amendements du sol et supports de culture - Détermination de l'azote - Partie 1 : méthode de Kjeldahl modifiée
NF X31-225*NF EN ISO 14238:2014 Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
NF U44-310-2*NF EN 13654-2:2002 Soil improvers and growing media - Determination of nitrogen - Part 2 : Dumas method.
NF EN ISO 17184:2014 Qualité du sol - Dosage du carbone et de l'azote par spectrométrie dans le proche infrarouge (SPIR)
NF U44-187:2021 Fertilizers and soil conditioners - Mineral soil amendments - Determination of total calcium and magnesium content
NF X31-293-1:2011 Soil Quality - Determination of dehydrogenase activity in soils - Part 1 : method using triphenyltetrazolium chloride (TTC).
NF EN 15561:2009 Engrais - Dosage de l'azote total dans la cyanamide calcique nitratée
NF EN 16169:2012 Boues, biodéchets traités et sols - Détermination de l'azote Kjeldahl
NF X31-147:1996 Soil quality. Soils, sediments. Total solubilizing by acid attack.
NF X31-293-2:2011 Soil quality - Determination of dehydrogenase activity in soils - Part 2 : method using iodotetrazolium chloride (INT).
NF U42-503*NF EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
NF X31-429*NF ISO 15178:2001 Soil quality - Determination of total sulfur by dry combustion.
NF X31-037*NF EN 16169:2012 Sludge, treated biowaste and soil - Determination of Kjeldahl nitrogen.
NF ISO 11277:2020 Qualité du sol - Détermination de la répartition granulométrique de la matière minérale des sols - Méthode par tamisage et sédimentation
NF U44-160:1985 Organic soil conditioners and organic material for soil improvement. Determination of total organic matter. Calcination method.
NF EN 15560:2009 Engrais - Dosage de l'azote total dans la cyanamide calcique exempte de nitrate
NF X31-559*NF ISO 11277:2020 Soil quality - Determination of particle size distribution in mineral soil material - Method by sieving and sedimentation
NF EN 13654-2:2002 Amendements du sol et supports de culture - Détermination de l'azote - Partie 2 : méthode de Dumas
NF ISO 23400:2021 Lignes directrices pour la détermination des stocks de carbone organique et d'azote et de leurs variations dans les sols minéraux à l'échelle d'une parcelle
NF X31-505:1992 Soil quality - Physical methods - Method for determining the bulk volume and the water content of lumps of earth
NF EN ISO 23753-2:2019 Qualité du sol - Détermination de l'activité des déshydrogénases dans les sols - Partie 2 : méthode au chlorure de iodotétrazolium (INT)
NF G38-128*NF EN 13738:2005 Geotextiles and geotextiles-related products - Determination of pullout resistance in soil
NF U44-310-1*NF EN 13654-1:2002 Soil improvers and growing media - Determination of nitrogen - Part 1 : modified Kjeldahl method
XP X 31-148-1997 SOIL QUALITY. DETERMINATION OF TOTAL FLUORINE CONTENT USING A SPECIFIC ELECTRODE AFTER ALKALINE FUSION.
NF ISO 10694:1995 Qualité du sol - Dosage du carbone organique et du carbone total après combustion sèche (analyse élémentaire)
NF M60-790-5:2009 Measurements of radioactivity in the environment - Soil - Part 5 : measurement of strontium 90.
NF X34-117:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods.
NF U42-146*NF EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free.
XP CEN/TS 16177:2012 Boues, biodéchets traités et sols - Extraction pour la détermination de l'azote nitrique et ammoniacal extractible
NF ISO 14869-2:2002 Qualité du sol - Mise en solution pour la détermination des teneurs élémentaires totales - Partie 2 : mise en solution par fusion alcaline
NF X31-293-2/A1:2020 Soil quality - Determination of dehydrogenases activity in soils - Part 2 : method using iodotetrazolium chloride (INT) - Amendment 1
NF X31-293-2*NF EN ISO 23753-2:2019 Soil quality - Determination of dehydrogenases activity in soils - Part 2 : method using iodotetrazolium chloride (INT)

AT-ON, Determination of total nitrogen in soil

ONORM L 1095-2002 Chemical analyses of soils - Determination of total nitrogen by dry combustion
ONORM L 1091-1999 Chemical analysis of soils - Determination of inorganic nitrogen Nmin-method
ONORM L 1082-1999 Chemical analyses of soils - Determination of nitrogen according to Kjeldahl
OENORM EN ISO 23753-1:2021 Soil quality - Determination of dehydrogenases activity in soils - Part 1: Method using triphenyltetrazolium chloride (TTC) - Amendment 1 (ISO 23753-1:2019 + Amd 1:2020) (consolidated version)

Hebei Provincial Standard of the People's Republic of China, Determination of total nitrogen in soil

DB13/T 843-2007 Soil Available Nitrogen Determination

Professional Standard - Agriculture, Determination of total nitrogen in soil

NY/T 1121.24-2012 Soil testing.Part 24:Determination of total nitrogen in soil.Automatic kjeldahl apparatus method
NY/T 30-1986 Determination of rare earth oxide content in soil.Chlorophosphonazo-p-hippuric acid photometric method
GB 6260-1986 Determination of Total Oxidized Rare Earth in Soil Spectrophotometric Method for Azochlorophosphorus Hippurate
NY/T 1121.10-2006 Soil Testing.Part 10:Method for determination of soil total hydrargyrum
NY/T 1121.11-2006 Soil Testing Part.11:Method for determination of soil total arsenic
NY/T 1121.12-2006 Soil Testing.Part 12:Method for determination of soil total chrome
NY/T 53-1987 Method for the determination of soil total nitrogen(Semi-micro Kjeldahl method)
GB 7173-1987 Determination of total nitrogen in soil (semi-micro Kelvin method)
NY/T 1121.16-2006 Soil Testing.Part 9:Method for determination of total water-soluble salt
NY/T 1104-2006 Determination of selenium in soils
GB 8572-1988 Determination of total nitrogen content in compound fertilizer
GB 7864-1987 Determination of Total Exchangeable Base of Forest Soil
NY/T 1848-2010 Method for determination of ammonium nitrogen, available phosphorus and rapidly-available potassium in neutrality or calcareous soil Universal extract-colorimetric method
GB/T 42955-2023 Determination of total nitrogen content in fertilizers Dumas combustion method
GB 10511-1989 Determination of total nitrogen content in nitrophosphate fertilizers Titration after distillation
NY/T 1615-2008 Determination of exchangeable bases and total exchangeable bases in calcareous soil
NY/T 1849-2010 Method for determination of ammonium nitrogen, available phosphorus and rapidly-available potassium in acid soil Universal extract-colorimetric method

Tianjin Provincial Standard of the People's Republic of China, Determination of total nitrogen in soil

DB12/T 512-2014 Determination method of nitrate nitrogen in soil samples
DB12/T 961-2020 Determination of organic matter content in soil direct heating method

RO-ASRO, Determination of total nitrogen in soil

STAS 7184/2-1985 SOILS Nitrogen content determination
STAS 7184/21-1982 SOILS Humus content determination
STAS 7184/5-1978 ?OILS Determination of total porosity and of airy porosity
STAS 1913/8-1982 Foundation ground DETERMINATION OF CAPILLARY HIGHT IN NON-COHESIVE EARTHS Earth column method
STAS 7184/19-1982 SOILS Detcrmination of extracted phosphorus in ammonium lactate-acctatc

Professional Standard - Forestry, Determination of total nitrogen in soil

LY/T 1228-2015 Determination of forest soil nitrogen
LY/T 1228-1999 Determination of total nitrogen in forest soil
LY/T 1230-1999 Determination of nitrate nitrogen in forest soil
LY/T 1231-1999 Determination of ammonium nitrogen in forest soil
LY/T 1229-1999 Determination of hydrolyzable nitrogen in forest soil
LY/T 1241-1999 Determination of hydrolytic total acidity in forest soil
LY/T 1237-1999 Determination of organic matter in forest soil and calculation carbon-nitrogen ratio
LY/T 1244-1999 Determination of total exchangeable base in forest soil
LY/T 1222-1999 Determination of oxygen content in forest soil solution
LY/T 1221-1999 Determination of carbon dioxide content in forest soil air

Sichuan Provincial Standard of the People's Republic of China, Determination of total nitrogen in soil

DB51/T 1875-2014 Determination of soil alkaline nitrogen
DB51/T 836-2008 Determination of total and total arsenic in soil - atomic fluorescence
DB51/T 1520-2012 Determination of Total Chromium in Soil by Inductively Coupled Plasma Emission Spectrometry

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Determination of total nitrogen in soil

GB/T 22105.1-2008 Soil quality.Analysis of total mercury,arsenic and lead contents.Atomic fluorescence spectrometry.Part 1:Analysis of total mercury contents in soils
GB/T 22105.2-2008 Soil quality.Analysis of total mercury,arsenic and lead contents.atomic fluorescence spectrometry.Part 2:Analysis of total arsenic contents in soils
GB/T 22105.3-2008 Soil quality.Analysis of total mercury,arsenic and lead contents.Atomic fluorescence spectrometry.Part3:Analysis of total lead contents in soils
GB/T 42488-2023 Soil Quality Determination of Inorganic Nitrogen 15N Abundance in Soil Stable Isotope Ratio Mass Spectrometry
GB/T 42487-2023 Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen potassium chloride solution leaching flow analysis method
GB/T 42485-2023 Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen
GB/T 32737-2016 Determination of nitrate nitrogen in soil - Ultraviolet spectrophotometry method
GB/T 42490-2023 Soil quality Determination of organic carbon content and carbon isotope ratio, total nitrogen content and nitrogen isotope ratio in soil and biological samples Stable isotope ratio mass spectrometry
GB/T 7630-1987 The tribromoarsenazo photometric method for the determination of rare earth oxide content in rice and wheat
GB 7630-1987 The tribromoarsenazo photometric method for the determination of rare earth oxide content in rice and wheat
GB/T 11219.2-1989 Determination of plutonium in soil--Ion exchange method
GB/T 11219.1-1989 Determination of plutonium in soil--Extraction chromatography method
GB/T 17767.1-1999 Determination of total nitrogen content for organic-inorganic compound fertilizers
GB/T 8572-2001 Determination of total nitrogen content for compound fertilizers-Titrimetric method after distillation
GB/T 10511-1989 The determination of total nitrogen content for nitrophosphate titrimetric method after distillation
GB/T 10511-2008 Determination of tatal nitrogen content for nitrophosphate.Titrimetric method after distillation
GB/T 8572-2010 Determination of total nitrogen content for compound fertilizers titrimetric method after distillation
GB/T 17136-1997 Soil quality--Determination of total mercury--Cold atomic absorption spectrophotometry
GB/T 17137-1997 Soil quality--Determination of total chromium--Flame atomic absorption spectrophotometry
GB/T 10209.1-2001 Determination of total nitrogen content for monoammonium phosphate and diammonium phosphate(Titrimetric method after distillation)
GB/T 6730.24-1986 Methods for chemical analysis of iron ores--The arsenazo 3 photometric method for the determination of rare earth elements content
GB/T 17135-1997 Soil quality--Determination of total arsenic--Spectrophotometric method with potassium borohyride and silver nitrate
GB/T 3257.15-1999 Methods for chemical analysis of bauxite--Determination the total content of rare earth oxide--Tribromo-arsenazo photometric method

Shanxi Provincial Standard of the People's Republic of China, Determination of total nitrogen in soil

DB14/T 926-2014 Rapid Determination Method of Total Arsenic in Soil
DB14/T 1099-2015 Determination of Hydrolyzable Nitrogen in Soil Alkaline Hydrolysis Distillation Potentiometric Titration
DB14/T 1115-2015 Rapid Determination of Total Lead in Soil-Sodium Rose Benate Visual Method
DB14/T 1241-2016 Determination of Available Phosphorus in Plant Vegetable Soil
DB14/T 1805-2019 Determination of water-soluble selenium in calcareous soil

Xinjiang Provincial Standard of the People's Republic of China, Determination of total nitrogen in soil

DB65/T 602.3-2001 The determinanation of ammonium nitrogen in soil
DB65/T 602.4-2001 The determinanation of nitrate nitrogen in soil
DB65/T 602.2-2001 The determinanation of hydrolyzable nitrogen in soil
DB65/T 602.8-2001 The determinanation of calcium carbonate in soil

Ningxia Provincial Standard of the People's Republic of China, Determination of total nitrogen in soil

DB64/T 1734-2020 Soil Hydrolyzable Nitrogen Determination Kjeldahl Method

Group Standards of the People's Republic of China, Determination of total nitrogen in soil

T/NAIA 009-2020 Determination of soil microbial biomass nitrogen
T/NAIA 044-2021 Urine Total Nitrogen Determination in Livestock Kjeldahl Method
T/SDAS 304-2021 Soil Hydrolyzable Nitrogen Determination Automatic Distillation Potentiometric Titration
T/NJ 1423-2023 Composite flexible electrode for soil nitrate nitrogen determination in agricultural equipment
T/GXAS 477-2023 Determination of total nitrogen content in sugarcane juice —sulphuric acid titrimetric method
T/ZNZ 082-2021 Determination of available mercury in soil by atomic fluorescence spectrometry
T/NAIA 0115-2022 Simultaneous Determination of Arsenic and Mercury in Soil by Atomic Fluorescence Spectrometry

Jilin Provincial Standard of the People's Republic of China, Determination of total nitrogen in soil

DB22/T 2270-2018 Determination of Ammonium Nitrogen and Nitrate Nitrogen in Farmland Soil by Flow Injection Analysis
DB22/T 2270-2015 Determination of Ammonium Nitrogen and Nitrate Nitrogen in Farmland Soil by Flow Injection Analysis

Professional Standard - Environmental Protection, Determination of total nitrogen in soil

HJ 717-2014 Soil quality.Determination of total nitrogen.Modified Kjeldahl method
HJ 634-2012 Soil.Determination of ammonium, nitrite and nitrate by extraction with potassium chloride solution-spectrophotometric methods
HJ 632-2011 Soil. Determination of Total Phosphorus by alkali fusion. Mo-Sb Anti spectrophotometric method
HJ 745-2015 Soil－Determination of cyanide and total cyanide－Spectrometric method
HJ 491-2009 Soil quality.Determination of total chromium.Flame atomic absorption spectrometry
HJ 832-2017 Determination of Total Metal Elements in Soil and Sediment Microwave Digestion Method

Association of Official Analytical Chemists (AOAC), Determination of total nitrogen in soil

AOAC Official Method 2001.14 Determination of total nitrogen in cheese
AOAC 991.20 AOAC Official Method 991.20 Nitrogen (Total) in Milk Kjeldahl Methods

American Society for Testing and Materials (ASTM), Determination of total nitrogen in soil

ASTM D1140-00 Standard Test Methods for Amount of Material in Soils Finer Than the No. 200 (75-um) Sieve
ASTM D1140-00(2006) Standard Test Methods for Amount of Material in Soils Finer than No. 200 (75-956;m) Sieve
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 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM C1387-98 Standard Guide for Determination of Technetium-99 in Soil
ASTM C1475-00 Standard Guide for Determination of Neptunium-237 in Soil
ASTM C1387-03 Standard Guide for the Determination of Technetium-99 in Soil
ASTM C1475-05 Standard Guide for Determination of Neptunium-237 in Soil
ASTM C1387-23 Standard Guide for the Determination of Technetium-99 in Soil
ASTM C1475-17 Standard Guide for Determination of Neptunium-237 in Soil
ASTM C1387-14 Standard Guide for the Determination of Technetium-99 in Soil
ASTM D7521-22 Standard Test Method for Determination of Asbestos in Soil
ASTM D7521-13 Standard Test Method for Determination of Asbestos in Soil
ASTM D7521-16 Standard Test Method for Determination of Asbestos in Soil
ASTM D8273-20 Standard Practice for Determination of Total and Available Cyanide in Solid Waste and Soil after Alkaline Extraction
ASTM E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D3228-22 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM UOP432-65T Total Nitrogen in Liquefied Petroleum Gases by Acid Extraction-Kjeldahl Procedure
ASTM C1507-01(2006) Standard Test Method for Radiochemical Determination of Strontium-90 in Soil
ASTM C1507-20 Standard Test Method for Radiochemical Determination of Strontium-90 in Soil
ASTM C1507-12 Standard Test Method for Radiochemical Determination of Strontium-90 in Soil
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

Shandong Provincial Standard of the People's Republic of China, Determination of total nitrogen in soil

DB37/T 1897-2011 Determination of Soil Nitrate Nitrogen by Ion Chromatography
DB37/T 1900-2011 Determination of phylloxazole residues in soil
DB37/T 1898-2011 Determination of pyraclostrobin residues in soil
DB37/T 1899-2011 Determination of dicofen residues in soil
DB37/T 643-2006 Gas Chromatography for the Determination of Dimethophos Residues in Soil
DB37/T 2735-2015 Determination of ammonium sulfate content in dry powder fire extinguishing agent Total nitrogen content method
DB37/T 2914-2017 Determination of Pyrimethol Residues in Soil by Liquid Chromatography
DB37/T 2916-2017 Determination of fenoxycarb residues in soil by liquid chromatography
DB37/T 2915-2017 Determination of imidacloprid residues in soil by liquid chromatography
DB37/T 4480-2021 Chromium Determination in Soil Graphite Furnace Atomic Absorption Spectrometry

Lithuanian Standards Office , Determination of total nitrogen in soil

LST EN 16168-2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
LST EN 15478-2009 Fertilizers - Determination of total nitrogen in urea
LST EN 13654-1-2002 Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method
LST EN 16169-2012 Sludge, treated biowaste and soil - Determination of Kjeldahl nitrogen
LST EN 15750-2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
LST EN 15560-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
LST EN ISO 23753-2/A1:2021 Soil quality - Determination of dehydrogenases activity in soils - Part 2: Method using iodotetrazolium chloride (INT) - Amendment 1 (ISO 23753-2:2019/Amd 1:2020)
LST EN 13654-2-2004 Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method
LST EN 15561-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
LST EN 13738-2005 Geotextiles and geotextile-related products - Determination of pullout resistance in soil

Danish Standards Foundation, Determination of total nitrogen in soil

DS/EN 16168:2013 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
DS/ISO 15178:2004 Soil quality - Determination of total sulfur by dry combustion
DS/ISO 11262:2012 Soil quality - Determination of total cyanide
DS/EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
DS/ISO 23400:2021 Guidelines for the determination of organic carbon and nitrogen stocks and their variations in mineral soils at field scale
DS/ISO 14238:1997 Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
DS/EN 13654-1:2002 Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method
DS/EN 16169:2012 Sludge, treated biowaste and soil - Determination of Kjeldahl nitrogen
DS/EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
DS/EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
DS/ISO 11277:2009 Soil quality - Determination of particle size distribution in mineral soil material - Method by sieving and sedimentation
DS/EN 13654-2:2002 Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method
DS/EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
DS/EN 13738:2004 Geotextiles and geotextile-related products - Determination of pullout resistance in soil
DS/EN ISO 23753-2:2020 Soil quality – Determination of dehydrogenases activity in soils – Part 2: Method using iodotetrazolium chloride (INT) – Amendment 1 (ISO 23753-2:2019/Amd 1:2020)
DS/EN ISO 23753-2:2011 Soil Quality - Determination of dehydrogenase activity in soils - Part 2: Method using iodotetrazolium chloride (INT)

ES-UNE, Determination of total nitrogen in soil

UNE-EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method (Endorsed by AENOR in October of 2012.)
UNE-EN ISO 14238:2013 Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes (ISO 14238:2012) (Endorsed by AENOR in January of 2014.)
UNE 103206:2019 Determination of gypsum content in soils
UNE-EN ISO 17184:2014 Soil quality - Determination of carbon and nitrogen by near-infrared spectrometry (NIRS) (ISO 17184:2014) (Endorsed by AENOR in July of 2014.)
UNE-EN 16169:2012 Sludge, treated biowaste and soil - Determination of Kjeldahl nitrogen (Endorsed by AENOR in October of 2012.)
UNE 103205:2019 Determination of soluble salts content in soils.
UNE 103202:2019 Qualitative determination of soluble sulphates (in water) content in a soil.
UNE-EN ISO 23753-2:2019 Soil quality - Determination of dehydrogenases activity in soils - Part 2: Method using iodotetrazolium chloride (INT) (ISO 23753-2:2019) (Endorsed by Asociación Española de Normalización in May of 2019.)

KR-KS, Determination of total nitrogen in soil

KS I ISO 23753-1-2021 Soil quality — Determination of dehydrogenases activity in soils —Part 1: Method using triphenyltetrazolium chloride(TTC)
KS I ISO 11262-2019 Soil quality ― Determination of total cyanide
KS I ISO 14238-2018 Soil quality ― Biological methods ― Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
KS I ISO 20295-2019 Soil quality — Determination of perchlorate in soil using ion chromatography
KS I ISO 10694-2021 Soil quality — Determination of organic and total carbon after dry combustion(elementary analysis)
KS I ISO 14869-2-2019 Soil quality — Dissolution for the determination of total element content ― Part 2: Dissolution by alkaline fusion

European Committee for Standardization (CEN), Determination of total nitrogen in soil

EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
CEN EN 13654-1-2001 Soil Improvers and Growing Media - Determination of Nitrogen - Part 1: Modified Kjeldahl Method
EN ISO 17184:2014 Soil quality - Determination of carbon and nitrogen by near-infrared spectrometry (NIRS)
EN 13654-2:2001 Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method
EN ISO 18589-6:2021 Measurement of radioactivity in the environment - Soil - Part 6: Gross alpha and gross beta activities - Test method using gas-flow proportional counting (ISO 18589-6:2019)
EN ISO 14238:2013 Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
PD CEN/TS 15750:2008 Fertilizers - Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
EN 13738:2004 Geotextiles and geotextile-related products - Determination of pullout resistance in soil
EN ISO 15685:2020 Soil quality - Determination of potential nitrification and inhibition of nitrification - Rapid test by ammonium oxidation (ISO 15685:2012)
EN ISO 17402:2011 Soil quality - Requirements and guidance for the selection and application of methods for the assessment of bioavailability of contaminants in soil and soil materials (ISO 17402:2008)
EN 16502:2014 Test method for the determination of the degree of soil acidity according to Baumann-Gully
EN 15561:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates

CEN - European Committee for Standardization, Determination of total nitrogen in soil

PD CEN/TS 15478:2006 Fertilizers - Determination of total nitrogen in urea
PD CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
PD CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
EN ISO 23753-2:2019 Soil quality - Determination of dehydrogenases activity in soils - Part 2: Method using iodotetrazolium chloride (INT)

Standard Association of Australia （SAA）, Determination of total nitrogen in soil

AS 1289.2.2.1:1998 Methods of testing soils for engineering purposes - Soil moisture content tests - Determination of the total suction of a soil - Standard method
AS 1289.2.2.1:1998(R2013)
AS 1289.2.1.1:2005 Methods of testing soils for engineering purposes - Soil moisture content tests - Determination of the moisture content of a soil - Oven drying method (standard method)
AS 1289.2.1.6:2005 Methods of testing soils for engineering purposes - Soil moisture content tests - Determination of the moisture content of a soil - Hotplate drying method
AS 1289.2.1.2:2005 Methods of testing soils for engineering purposes - Soil moisture content tests - Determination of the moisture content of a soil - Sand bath method (subsidiary method)
AS 4479.3:1999 Analysis of soils - Determination of metals in aqua regia extracts of soil by flame atomic absorption spectrometry
AS 1289.2.1.5:2005 Methods of testing soils for engineering purposes - Soil moisture content tests - Determination of the moisture content of a soil - Infrared lights method (subsidiary method)
AS 1289.2.1.4:2005 Methods of testing soils for engineering purposes - Soil moisture content tests - Determination of the moisture content of a soil - Microwave-oven drying method (subsidiary method)

Liaoning Provincial Standard of the People's Republic of China, Determination of total nitrogen in soil

DB21/T 607-1991 Determination of total soil salt content - gravimetric method
DB21/T 2083-2013 Determination of paclobutrazol residues in soil
DB21/T 3305-2020 Determination of Toxaphene Residues in Soil by Gas Chromatography

Qinghai Provincial Standard of the People's Republic of China, Determination of total nitrogen in soil

DB63/T 1207-2013 Determination of Total Selenium in Soil by Atomic Fluorescence Spectrometry

SE-SIS, Determination of total nitrogen in soil

SIS SS 02 81 86-1985 Determination of total arsenic in water - Silver diethyldithiocarbamate spectrometric method
SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water

TR-TSE, Determination of total nitrogen in soil

TS 974-1971 DETERMINATION OF NITROGEN, TOTAL SULPHUR CHLORINE AND PHOSPHORUS ?N COKE

NL-NEN, Determination of total nitrogen in soil

NEN 5754-1992 Soil - Determination of organic matter content in soil as loss-on-ignition
NEN 5782-1991 Soil - Unsaturated zone Determination of water content with a neutron depth probe

NZ-SNZ, Determination of total nitrogen in soil

NZS 4402.3.2:1986 Methods of Testing Soils for Civil Engineering Purposes Part 3: soil Chemical Tests Test 3.2: Determination of the Total Sulphate Content
NZS 4402.2.7.1:1986 Methods of Testing Soils for Civil Engineering Purposes Part 2.7: Soil Classification Tests - Determination of the Solid Density of Soil Particles Test 2.7.1: Method for Coarse, Medium and Fine Soils
NZS 4402.2.7.2:1986 Methods of Testing Soils for Civil Engineering Purposes Part 2: Soil Classification Tests - Determination of the Solid Density of Soil Particles Test 2.7.2: Method for Medium and Fine Soils

Professional Standard - Hygiene , Determination of total nitrogen in soil

WS/T 88-2012 Method for determination of total fluoride in coal and soil.Pyrohydrolysis-ion selective electrode method

Hunan Provincial Standard of the People's Republic of China, Determination of total nitrogen in soil

DB43/T 2637-2023 Determination of Total Cadmium in Soils Electrothermal Evaporation Atomic Absorption Spectrometry with Solid Injection
DB43/T 1404-2018 Determination of total cyanide in water and soil by gas-liquid separation and collection spectrophotometry

中华人民共和国环境保护部, Determination of total nitrogen in soil

GB 11219.1-1989 Analytical determination of plitonium in soil-Extraction chromatography method
GB 11219.2-1989 Analytical determination of plutonium in soil-Ion exchange method

CZ-CSN, Determination of total nitrogen in soil

CSN 70 1022-1970 Laboratory determination of carbonates in soils
CSN 72 1021-1970 Laboratory determination of organic substances in soils

The American Road & Transportation Builders Association, Determination of total nitrogen in soil

AASHTO T 194-1997 Standard Method of Test for Determination of Organic Matter in Soils by Wet Combustion
AASHTO T 289-1991 Standard Method of Test for Determining pH of Soil for Use in Corrosion Testing
AASHTO T 307-1999 Standard Method of Test for Determining the Resilient Modulus of Soils and Aggregate Materials

Professional Standard - Commodity Inspection, Determination of total nitrogen in soil

SN/T 3097-2012 Determination of total nitrogen in fertelezers.Combustion

YU-JUS, Determination of total nitrogen in soil

JUS U.B1.042-1997 Testing ofsoil - Determination of the California bearing rado in laboratory

中华人民共和国国家卫生和计划生育委员会, Determination of total nitrogen in soil

WS/T 88-1996 Method for determination of total fluorine in coal and soil.Combustion-bydrolysis-ion selective electrode method

PL-PKN, Determination of total nitrogen in soil

PN-EN ISO 23753-2-2019-04/A1-2021-05 E Soil quality -- Determination of dehydrogenases activity in soils -- Part 2: Method using iodotetrazolium chloride (INT) -- Amendment 1 (ISO 23753-2:2019/Adm 1:2020)
PN C04660-1972 Method of determination of phenoxyacetic herb?cide residues in soil

Association of German Mechanical Engineers, Determination of total nitrogen in soil

VDI 3865 Blatt 4-2000 Measurement of organic soil pollutants - Gas chromatographic determination of volatile organic compounds in soil gas - Direct measurement
VDI 3865 Blatt 1-2005 Measurement of organic soil pollutants - Planning of measurements for the determination of volatile organic compounds in soil gas

Professional Standard - Aviation, Determination of total nitrogen in soil

HB 5218.10-1982 Determination of Total Rare Earth in Aluminum Alloy
HB 5219.10-1982 Determination of Total Rare Earth in Magnesium Alloy
HB 5220.21-1982 Determination of Total Rare Earth (Cerium) in Superalloys

Henan Provincial Standard of the People's Republic of China, Determination of total nitrogen in soil

DB41/T 811-2013 Determination of antimony in soil by atomic fluorescence method
DB41/T 813-2013 Determination of Available Antimony in Soil by Atomic Fluorescence Method
DB41/T 1704-2018 Determination of total nitrogen content in compound fertilizers Dumas combustion method
DB41/T 812-2013 Determination of Carbonate Antimony in Soil by Atomic Fluorescence Method

IN-BIS, Determination of total nitrogen in soil

CU-NC, Determination of total nitrogen in soil

NC 93-20-1986 Community Hygiene. Chrome Determination in Soils Analysis Method
NC 93-15-1986 Community Hygiene. Determination of Organic Matter in Soils. Analysis Method
NC 93-19-1986 Community hygiene. Gobalt Determination in Soils. Analysis Methods
NC 93-16-1986 Community Higiene. Determination of Nitrites in Soils Analysis Method

Jiangsu Provincial Standard of the People's Republic of China, Determination of total nitrogen in soil

DB32/T 2206-2012 Determination of polychlorinated biphenyls in soil by gas chromatography

BE-NBN, Determination of total nitrogen in soil

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

Fujian Provincial Standard of the People's Republic of China, Determination of total nitrogen in soil

DB35/T 1736-2018 Determination of Rare Earth Elements in Soil by Inductively Coupled Plasma Mass Spectrometry

Professional Standard - Non-ferrous Metal, Determination of total nitrogen in soil

YS/T 575.14-2006 Chemical analysis method of bauxite ore-tribromoarsine spectrophotometric determination of total rare earth oxides

Professional Standard - Nuclear Industry, Determination of total nitrogen in soil

EJ/T 550-2000 Determination of uranium in soil and rock samples by laser-induced fluorometry

Yunnan Provincial Standard of the People's Republic of China, Determination of total nitrogen in soil

DB53/T 704-2015 Determination of Benzo[α]pyrene in Soil by High Performance Liquid Chromatography

IT-UNI, Determination of total nitrogen in soil

UNI EN ISO 23753-2:2021 Soil quality - Determination of dehydrogenases activity in soils - Part 2: Method using iodotetrazolium chloride (INT)