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Nitrogen in the soil

Nitrogen in the soil, Total:308 items.

In the international standard classification, Nitrogen in the soil involves: Soil quality. Pedology, Farming and forestry, Fertilizers, Test conditions and procedures in general, Pesticides and other agrochemicals, Wastes, Coals, Radiation measurements, Radiation protection, Analytical chemistry, Vocabularies, Pharmaceutics, Metalliferous minerals, Earthworks. Excavations. Foundation construction. Underground works, Water quality, Ferrous metals, Testing of metals, Environmental protection, Non-ferrous metals, Non-metalliferous minerals, Tea. Coffee. Cocoa, General methods of tests and analysis for food products, Fuels.

Korean Agency for Technology and Standards (KATS), Nitrogen in the soil

KS I ISO 13878:2009 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
KS I ISO 19730:2009 Soil quality-Extraction of trace elements from soil using ammonium nitrate solution
KS I ISO 19730-2009(2019) Soil quality－Extraction of trace elements from soil using ammonium nitrate solution
KS I ISO 13878-2009(2019) Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
KS I ISO 11466:2008 Soil quality-Extraction of trace elements soluble in aqua regia
KS I ISO 21226:2022 Soil quality — Guideline for the screening of soil polluted with toxic elements using soil magnetometry
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 11466-2008(2018) Soil quality－Extraction of trace elements soluble in aqua regia
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 E 3098-1993 Method for determination of rare earths in ores
KS A ISO 18589-4:2012 Measurement of radioactivity in the environment－Soil－Part 4：Measurement of plutonium isotopes(plutonium 238 and plutonium 239＋240) by alpha spectrometry
KS I ISO 14870:2007 Soil quality－Extraction of trace elements by buffered DTPA solution
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 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 I ISO 14869-2:2009 Soil quality－Dissolution for the determination of total element content－Part 2：Dissolution by alkaline fusion
KS I ISO 14869-1:2007 Soil quality－Dissolution for the determination of total element content－Part 1：Dissolution with hydrofluoric and perchloric acids
KS I ISO 14869-1:2018 Soil quality — Dissolution for the determination of total element content — Part 1: Dissolution with hydrofluoric and perchloric acids

Association Francaise de Normalisation, Nitrogen in the soil

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 X31-415*NF ISO 11466:1995 Soil quality. Extraction of trace elements soluble in aqua regia.
NF ISO 11466:1995 Qualité du sol - Extraction des éléments en traces solubles dans l'eau régalé
NF X31-445*NF ISO 19730:2009 Soil quality - Extraction of trace elements from soil using ammonium nitrate solution.
NF ISO 16729:2014 Qualité du sol - Digestion des éléments solubles dans l'acide nitrique
NF X31-115:2001 Soil quality - Sampling and storage of soil samples in view of determination of mineral nitrogen on fresh soil.
NF EN 13650:2002 Amendements du sol et supports de culture - Extraction d'éléments solubles dans l'eau régale
NF ISO 22036:2009 Qualité du sol - Dosage des éléments traces dans des extraits de sol par spectrométrie d'émission atomique avec plasma induit par haute fréquence (ICP-AES)
NF EN ISO 54321:2021 Sols, biodéchets traités, boues et déchets - Digestion des éléments solubles dans l'eau régale
NF EN ISO 13196:2015 Qualité du sol - Analyse rapide d'une sélection d'éléments dans les sols à l'aide d'un spectromètre de fluorescence X à dispersion d'énergie portable ou portatif
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 X31-013*NF EN ISO 13196:2015 Soil quality - Screening soils for selected elements by energy-dispersive X-ray fluorescence spectrometry using a handheld or portable instrument
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 U44-302*NF EN 13650:2002 Soil improvers and growing media - Extraction of aqua regia soluble elements
NF ISO 10694:1995 Qualité du sol - Dosage du carbone organique et du carbone total après combustion sèche (analyse élémentaire)
X31-150:1984 Soils, sediments, fertilizers and soil conditioners, growthmedium. Preparation of test sample for determination of metallic trace elements.
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 X30-462*NF EN 15309:2007 Characterization of waste and soil - Determination of elemental composition by X-ray fluorescence
NF EN 15309:2007 Caractérisation des déchets et du sol - Détermination de la composition élémentaire par fluorescence X
NF P94-064:1993 Sols : reconnaissance et essais - Masse volumique sèche d'un élément de roche - Méthode par pesée hydrostatique.
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 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 EN 16173:2012 Boues, biodéchets traités et sols - Digestion des éléments solubles dans l'acide nitrique
NF U44-305*NF EN 13652:2002 Soil improvers and growing media - Extraction of water soluble nutrients and elements
NF X31-420*NF ISO 22036:2009 Soil quality - Determination of trace elements in extracts of soil by inductively coupled plasma-atomic emission spectrometry (ICP-AES)
NF X31-043:2012 Sludge, treated biowaste and soil - Digestion of aqua regia soluble fractions of elements.
NF G38-064:2016 Use of geotextiles and geotextiles-related products - Inclined walls and strengthened slopes in soils reinforced by geosynthetic sheets - Justification of dimensioning and design elements
NF X31-293-1:2011 Soil Quality - Determination of dehydrogenase activity in soils - Part 1 : method using triphenyltetrazolium chloride (TTC).
NF X31-293-2:2011 Soil quality - Determination of dehydrogenase activity in soils - Part 2 : method using iodotetrazolium chloride (INT).
NF X31-045*NF EN 16173:2012 Sludge, treated biowaste and soil - Digestion of nitric acid soluble fractions of elements.
NF X31-409*NF ISO 10694:1995 Soil quality. Determination of organic and total carbon after dry combustion (elementary analysis).
NF G38-067:2017 Geosynthetics, geotextiles and related products - Stabilization of a thin layer of soil on slope - Justification of dimensioning and design elements
NF X31-413:2021 Soil, treated biowaste, sludge and waste - Digestion of aqua regia soluble fractions of elements
NF EN ISO 16198:2015 Qualité du sol - Test végétal pour l'évaluation de la biodisponibilité environnementale des éléments traces pour les végétaux
NF X31-160:1993 SOIL QUALITY. DETERMINATION OF PHOSPHORUS SOLUBLE IN A 20 G.L-1 MONOHYDRIC CITRIC ACID SOLUTION. DYER METHOD.
NF X31-151:1993 SOIL QUALITY. SOILS, SEDIMENTS, SEWERAGE PLANT SLUDGES. SOLUBILIZING OF METALLIC TRACE ELEMENTS (CD, CO, CR, MN, NI, PB, ZN) BY ACID ATTACKS.
NF X31-616*NF EN ISO 16198:2015 Soil quality - Plant-based test to assess the environmental bioavailability of trace elements to plants
NF X31-013:2013 Soil quality - Screening soils for selected elements by energy dispersive X-ray fluorescence spectrometry using a handheld or portable instrument
NF M60-790-7*NF EN ISO 18589-7:2016 Measurement of radioactivity in the environment - Soil - Part 7 : in situ measurement of gamma-emitting radionuclides
NF X31-042*NF EN 16171:2016 Sludge, treated biowaste and soil - Determination of elements using inductively coupled plasma mass spectrometry (ICP-MS)
NF EN 16171:2016 Boues, bio-déchets traités et sols - Détermination des éléments en traces par spectrométrie de masse avec plasma induit par haute fréquence (ICP-MS)
XP U45-002-5*XP CEN/TS 17700-5:2022 Plant biostimulants - Claims - Part 5 : determination of availability of confined nutrients in the soil or rhizosphere
NF X31-428-1*NF ISO 14869-1:2001 Soil quality - Dissolution for the determination of total element contents - Part 1: dissolution with hydrofluoric and perchloric acids.
NF U42-002-2:1992 Fertilizers. Fertilizers with declared micronutrient(s) content(s) for application to the soil. Part 2 : micronutrient(s) in organic combination(s). Types and specifications.
NF X31-041*NF EN 16170:2016 Sludge, treated biowaste and soil - Determination of elements using inductively coupled plasma optical emission spectrometry (ICP-OES)

British Standards Institution (BSI), Nitrogen in the soil

BS ISO 19730:2008 Soil quality. Extraction of trace elements from soil using ammonium nitrate solution
BS ISO 19730:2009 Soil quality - Extraction of trace elements from soil using ammonium nitrate solution
BS ISO 22190:2020 Soil quality. Use of extracts for the assessment of bioavailability of trace elements in soils
19/30377042 DC BS ISO 22190. Soil quality. Use of extracts for the assessment of bioavailability of trace elements in soils
BS EN ISO 23753-2:2011 Soil quality. Determination of dehydrogenase activity in soils. Method using iodotetrazolium chloride (INT)
BS ISO 22036:2008 Soil quality. Determination of trace elements in extracts of soil by inductively coupled plasma-atomic emission spectrometry (ICP-AES)
BS EN ISO 23753-1:2011 Soil quality. Determination of dehydrogenase activity in soil. Method using triphenyltetrazolium chloride (TTC)
PD ISO/TS 22451:2021 Recycling of rare earth elements. Methods for the measurement of rare earth elements in industrial waste and end-of-life products
BS EN 13650:2001 Soil improvers and growing media - Extraction of aqua regia soluble elements
BS 7755-3.9:1995 Soil quality. Chemical methods. Extraction of trace elements soluble in aqua regia
BS PD ISO/TS 22451:2021 Recycling of rare earth elements. Methods for the measurement of rare earth elements in industrial waste and end-of-life products
BS EN ISO 13196:2015 Soil quality. Screening soils for selected elements by energy-dispersive X-ray fluorescence spectrometry using a handheld or portable instrument
BS EN 13652:2001 Soil improvers and growing media - Extraction of water soluble nutrients and elements
BS EN 13651:2001 Soil improvers and growing media - Extraction of calcium chloride/DTPA (CAT) soluble elements
BS ISO 14869-2:2002 Soil quality - Dissolution for the determination of total element content - Dissolution by alkaline fusion
BS ISO 22036:2009 Soil quality - Determination of trace elements in extracts of soil by inductively coupled plasma-atomic emission spectrometry (ICP-AES)
PD ISO/TS 17073:2013 Soil quality. Determination of trace elements in aqua regia and nitric acid digests. Graphite furnace atomic absorption spectrometry method (GFAAS)
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
20/30399864 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 16174:2012 Sludge, treated biowaste and soil. Digestion of aqua regia soluble fractions of elements
BS EN 16173:2012 Sludge, treated biowaste and soil. Digestion of nitric acid soluble fractions of elements
BS 7755-3.8:1995 Soil quality. Chemical methods. Determination of organic and total carbon after dry combustion (elementary analysis)
BS EN ISO 54321:2021 Soil, treated biowaste, sludge and waste. Digestion of aqua regia soluble fractions of elements
BS ISO 18589-7:2013 Measurement of radioactivity in the environment. Soil. In situ measurement of gamma-emitting radionuclides
BS EN ISO 18589-7:2016 Measurement of radioactivity in the environment. Soil - In situ measurement of gamma-emitting radionuclides
19/30402106 DC BS EN ISO 54321. Soil, treated biowaste, sludge and waste. Digestion of aqua regia soluble fractions of elements
BS ISO 22453:2021 Exchange of information on rare earth elements in industrial wastes and end-of-life cycled products
19/30361064 DC BS ISO 22450. Elements recycling. Communication formats for providing recycling information on rare earth elements in industrial waste and end of life products
BS ISO 13196:2013 Soil quality. Screening soils for selected elements by energy-dispersive X-ray fluorescence spectrometry using a handheld or portable instrument
BS ISO 18643:2016 Fertilizers and soil conditioners. Determination of biuret content of urea-based fertilizers. HPLC method
BS EN 16170:2016 Sludge, treated biowaste and soil. Determination of elements using inductively coupled plasma optical emission spectrometry (ICP-OES)
BS ISO 18589-3:2015 Measurement of radioactivity in the environment. Soil. Test method of gamma-emitting radionuclides using gamma-ray spectrometry
BS ISO 18589-4:2009 Measurement of radioactivity in the environment - Soil - Measurement of plutonium isotopes (plutonium 238 and Plutonium 239 + 240) by alpha spectrometry

German Institute for Standardization, Nitrogen in the soil

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 ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis") (ISO 13878:1998)
DIN ISO 19730:2009-07 Soil quality - Extraction of trace elements from soil using ammonium nitrate solution (ISO 19730:2008)
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 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 ISO 22036:2009-06 Soil quality - Determination of trace elements in extracts of soil by inductively coupled plasma - atomic emission spectrometry (ICP-AES) (ISO 22036:2008) / Note: To be replaced by DIN EN ISO 22036 (2022-07).
DIN EN ISO 13196:2015-11 Soil quality - Sreening soils for selected elements by energy-dipersive X-ray fluorescence spectrometry using a handheld or portable instrument (ISO 13196:2013); German version EN ISO 13196:2015
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 EN 13650:2002-01 Soil improvers and growing media - Extraction of aqua regia soluble elements; German version EN 13650:2001
DIN ISO 18589-4:2010 Measurement of radioactivity in the environment - Soil - Part 4: Measurement of plutonium isotopes (plutonium 238 and plutonium 239 + 240) by alpha spectrometry (ISO 18589-4:2009)
DIN EN 15309:2007-08 Characterization of waste and soil - Determination of elemental composition by X-ray fluorescence; German version EN 15309:2007
DIN 19746:2005 Soil quality - Determination of mineral nitrogen (nitrat and ammonium) in soil profiles (Nmin laboratory method)
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 15192:2007 Characterisation of waste and soil - Determination of Chromium(VI) in solid material by alkaline digestion and ion chromatography with spectrophotometric detection; English version of DIN EN 15192:2007-02
DIN EN 16173:2012-11 Sludge, treated biowaste and soil - Digestion of nitric acid soluble fractions of elements; German version EN 16173:2012
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 ISO 22036:2009 Soil quality - Determination of trace elements in extracts of soil by inductively coupled plasma - atomic emission spectrometry (ICP-AES) (ISO 22036:2008); English version of DIN ISO 22036:2009-06
DIN EN ISO 54321:2021-04 Soil, treated biowaste, sludge and waste - Digestion of aqua regia soluble fractions of elements (ISO 54321:2020); German version EN ISO 54321:2021
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 16198:2015-04 Soil quality - Plant-based test to assess the environmental bioavailability of trace elements to plants (ISO 16198:2015); German version EN ISO 16198:2015
DIN ISO 14869-1:2003-01 Soil quality - Dissolution for the determination of total element content - Part 1: Dissolution with hydrofluoric and perchloric acids (ISO 14869-1:2001)
DIN EN 16174:2012 Sludge, treated biowaste and soil - Digestion of aqua regia soluble fractions of elements; German version EN 16174:2012
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 ISO 14870:2002 Soil quality - Extraction of trace elements by buffered DTPA solution (ISO 14870:2001)
DIN EN 16173:2012 Sludge, treated biowaste and soil - Digestion of nitric acid soluble fractions of elements; German version EN 16173:2012
DIN EN ISO 22036:2022-07 Soil, treated biowaste and sludge - Determination of elements using inductively coupled plasma optical emission spectrometry (ICP-OES) (ISO/DIS 22036:2022); German and English version prEN ISO 22036:2022 / Note: Date of issue 2022-06-03*Intended as rep...
DIN EN 16171:2017-01 Sludge, treated biowaste and soil - Determination of elements using inductively coupled plasma mass spectrometry (ICP-MS); German version EN 16171:2016
DIN EN 17700-5:2023 Plant biostimulants - Claims - Part 5: Determination of availability of confined nutrients in the soil or rhizosphere; German and English version prEN 17700-5:2023
DIN CEN/TS 16188:2012 Sludge, treated biowaste and soil - Determination of elements in aqua regia and nitric acid digests - Flame atomic absorption spectrometry method (FAAS); German version CEN/TS 16188:2012
DIN EN 16170:2017-01 Sludge, treated biowaste and soil - Determination of elements using inductively coupled plasma optical emission spectrometry (ICP-OES); German version EN 16170:2016 / Note: To be replaced by DIN EN ISO 22036 (2022-07).
DIN ISO 18589-7:2014 Measurement of radioactivity in the environment - Soil - Part 7: In situ measurement of gammaemitting radionuclides (ISO 18589-7: 2013)

International Organization for Standardization (ISO), Nitrogen in the soil

ISO 19730:2008 Soil quality - Extraction of trace elements from soil using ammonium nitrate solution
ISO 22190:2020 Soil quality — Use of extracts for the assessment of bioavailability of trace elements in soils
ISO 21226:2019 Soil quality — Guideline for the screening of soil polluted with toxic elements using soil magnetometry
ISO 11466:1995 Soil quality - Extraction of trace elements soluble in aqua regia
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 23753-2:2005 Soil quality - Determination of dehydrogenase activity in soils - Part 2: Method using iodotetrazolium chloride (INT)
ISO/TS 22451:2021 Recycling of rare earth elements — Methods for the measurement of rare earth elements in industrial waste and end-of-life products
ISO 12914:2012 Soil quality - Microwave-assisted extraction of the aqua regia soluble fraction for the determination of elements
ISO 18227:2014 Soil quality - Determination of elemental composition by X-ray fluorescence
DIN ISO 19730:2009 Soil quality - Extraction of trace elements from soil using ammonium nitrate solution (ISO 19730:2008);English version of DIN ISO 19730:2009-07
ISO/CD 13196:2023 Soil quality — Screening soils for selected elements by energy-dispersive X-ray fluorescence spectrometry using a handheld or portable instrument
ISO 14870:2001 Soil quality - Extraction of trace elements by buffered DTPA solution
ISO 22036:2008 Soil quality - Determination of trace elements in extracts of soil by inductively coupled plasma - atomic emission spectrometry (ICP - AES)
ISO 22450:2020 Recycling of rare earth elements — Requirements for providing information on industrial waste and end-of-life products
ISO 14869-2:2002 Soil quality - Dissolution for the determination of total element content - Part 2: Dissolution by alkaline fusion
ISO 10694:1995 Soil quality - Determination of organic and total carbon after dry combustion (elementary analysis)
ISO 16198:2015 Soil quality - Plant-based test to assess the environmental bioavailability of trace elements to plants
ISO 54321:2020 Soil, treated biowaste, sludge and waste — Digestion of aqua regia soluble fractions of elements
ISO 14869-1:2001 Soil quality - Dissolution for the determination of total element content - Part 1: Dissolution with hydrofluoric and perchloric acids
ISO 13196:2013 Soil quality - Screening soils for selected elements by energy-dispersive X-ray fluorescence spectrometry using a handheld or portable instrument
ISO 22453:2021 Exchange of information on rare earth elements in industrial wastes and end-of-life cycled products
ISO 18643:2016 Fertilizers and soil conditioners - Determination of biuret content of urea-based fertilizers - HPLC method
ISO/DIS 22036 Soil, treated biowaste and sludge — Determination of elements using inductively coupled plasma optical emission spectrometry (ICP-OES)

Indonesia Standards, Nitrogen in the soil

SNI 13-4721-1998 Methods for determination of total nitrogen content in soils

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

GB/T 42488-2023 Soil Quality Determination of Inorganic Nitrogen 15N Abundance in Soil Stable Isotope Ratio Mass Spectrometry
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 11743-2013 Determination of radionuclides in soil by gamma spectrometry
GB/T 42274-2022 Determination of the content and distribution of trace elements (magnesium, gallium) in aluminum nitride materials—Secondary ion mass spectrometry
GB/T 30714-2014 Determination of rare earth in ink-stone by inductively coupled plasma mass spectrometry
GB/T 22290-2008 Determination of rare earth in tea by inductively coupled plasma mass spectrometry
GB/T 42307-2023 Determination of Biuret Content in Fertilizers and Soil Conditioners Urea-Based Fertilizers by High Performance Liquid Chromatography
GB/T 11220.1-1989 Determination of uranium in soil--CL-5209 extractant-containing resin separation 2-(5-bromo-2-pyridylazo) -5-diethlaminophenol spectrophotometry

AENOR, Nitrogen in the soil

UNE 77325:2003 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").
UNE 77322:2003 Soil quality. Extraction of trace elements soluble in aqua regia.
UNE-EN 13650:2002 Soil improvers and growing media - Extraction of aqua regia soluble elements
UNE 77321:2003 Soil quality. Determination of organic and total carbon after dry combustion (elementary analysis).
UNE-EN 13652:2002 Soil improvers and growing media - Extraction of water soluble nutrients and elements
UNE-EN 15309:2008 Characterization of waste and soil - Determination of elemental composition by X-ray fluorescence
UNE 77326:2004 Soil quality -- Biological methods -- Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
UNE 36317-2:1989 Chemical analysis of ferrous materials - Determination of nitrogen (trace mounts) in steel - Spectrophotometric method
UNE-ISO 14869-1:2007 Soil quality. Dissolution for the determination of total element content. Part 1: Dissolution with hydrofluoric and perchloric acids. (ISO 14869-1:2001)

RU-GOST R, Nitrogen in the soil

GOST 27753.8-1988 Greenhouse grounds method for determination of ammonium nitrogen
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 ISO 22036-2014 Soil quality. Determination of trace elements in extracts of soil by inductively coupled plasma-atomic emission spectrometry (ICP-AES)
GOST ISO 16198-2017 Soil quality. Plant-based test to assess the environmental bioavailability of trace elements to plants

Fujian Provincial Standard of the People's Republic of China, Nitrogen in the soil

DB35/T 1736-2018 Determination of Rare Earth Elements in Soil by Inductively Coupled Plasma Mass Spectrometry
DB35/T 1486-2014 Determination of Rare Earth Elements in Seawater by Inductively Coupled Plasma Mass Spectrometry

VN-TCVN, Nitrogen in the soil

TCVN 7373-2004 Soils quality.Index values of total nitrogen content in the soils of Vietnam
TCVN 6645-2000 Soil quality.Determination of total nitrogen content by dry combustion ("elemental analysis")
TCVN 3979-1984 Ores of rare-earth and radio.active elements.Method for the determination of oxide of rare-earth elements
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 6653-2000 Soil quality.Biological methods.Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
TCVN 2822-1987 Rare-earth ores.Method for the determination of total oxide of rare earth elements, uranium oxide and thorium oxide contents

KR-KS, Nitrogen in the soil

KS I ISO 21226-2022 Soil quality — Guideline for the screening of soil polluted with toxic elements using soil magnetometry
KS I ISO 23753-1-2021 Soil quality — Determination of dehydrogenases activity in soils —Part 1: Method using triphenyltetrazolium chloride(TTC)
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 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
KS I ISO 14869-1-2018 Soil quality — Dissolution for the determination of total element content — Part 1: Dissolution with hydrofluoric and perchloric acids

Tianjin Provincial Standard of the People's Republic of China, Nitrogen in the soil

DB12/T 512-2014 Determination method of nitrate nitrogen in soil samples

Professional Standard - Forestry, Nitrogen in the soil

LY/T 1256-1999 Determination of strong acid digesting elements in forest soil
LY/T 1253-1999 Determination of mineral total elements(silica,iron,aluminium,titanium,manganese,calcium,magnesium,phosphorus)ignition loss in forest soil

European Committee for Standardization (CEN), Nitrogen in the soil

EN 13654-2:2001 Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method
CEN EN 13652-2001 Soil Improvers and Growing Media - Extraction of Water Soluble Nutrients and Elements
prEN ISO 13196 rev Soil quality — Screening soils for selected elements by energy-dispersive X-ray fluorescence spectrometry using a handheld or portable instrument
CEN EN 13650-2001 Soil Improvers and Growing Media - Extraction of Aqua Regia Soluble Elements
EN 13654-1:2001 Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method
EN 16174:2012 Sludge, treated biowaste and soil - Digestion of aqua regia soluble fractions of elements
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 ISO 54321:2021 Soil, treated biowaste, sludge and waste - Digestion of aqua regia soluble fractions of elements (ISO 54321:2020)
EN ISO 16198:2015 Soil quality - Plant-based test to assess the environmental bioavailability of trace elements to plants
PD CEN/TS 16172:2013 Sludge, treated biowaste and soil - Determination of elements using graphite furnace atomic absorption spectrometry (GF-AAS)
EN ISO 18589-7:2016 Measurement of radioactivity in the environment - Soil - Part 7: In situ measurement of gamma-emitting radionuclides
EN 16171:2016 Sludge@ treated biowaste and soil - Determination of elements using inductively coupled plasma mass spectrometry (ICP-MS)
FprCEN/TS 17700-5-2021 Plant biostimulants - Claims - Part 5: Determination of availability of confined nutrients in the soil or rhizosphere
EN 16170:2016 Sludge@ treated biowaste and soil - Determination of elements using inductively coupled plasma optical emission spectrometry (ICP-OES)

Jilin Provincial Standard of the People's Republic of China, Nitrogen in the 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

Xinjiang Provincial Standard of the People's Republic of China, Nitrogen in the soil

DB65/T 3974-2017 Determination of Heavy Metal Elements in Soil by Inductively Coupled Plasma Mass Spectrometry

Group Standards of the People's Republic of China, Nitrogen in the soil

T/GDASE 0009-2020 Determination of the content of carbon, hydrogen, oxygen, nitrogen and sulfur in graphene
T/SPSTS 013-2019 Determination of the carbon, hydrogen, oxygen, nitrogen, and sulfur content of graphene powder materials— Elemental analyzer method
T/CSTM 00340-2020 Determination of the carbon, hydrogen, oxygen, nitrogen, and sulfur content of graphene powder materials— Elemental analyzer method
T/NAIA 0158-2022 Determination of 6 Metal Elements in Soil Two-step Supermicrowave Digestion-Inductively Coupled Plasma Mass Spectrometry
T/NAIA 0209-2023 Determination of Rare Earth Elements in Lycium Barbarum by Inductively Coupled Plasma Mass Spectrometry
T/NAIA 0135-2022 Determination of carbon, hydrogen and nitrogen in coal-based Fischer-Tropsch synthetic liquid fuel oil and chemicals Elemental analyzer method

Inner Mongolia Provincial Standard of the People's Republic of China, Nitrogen in the soil

DB15/T 2112-2021 Determination of Oxytetracycline, Tetracycline and Chlortetracycline Residues in Soil by High Performance Liquid Chromatography

AT-ON, Nitrogen in the soil

ONORM L 1094-3-2001 Chemical analyses of soils - Extraction of trace elements with a solution of lithium chloride
ONORM L 1085-1999 Chemical analyses of soils - Acid digest forthe determination of nutritive and toxic elements
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)

国家质量监督检验检疫总局, Nitrogen in the soil

SN/T 4764-2017 Elemental analyzer method for determination of carbon, hydrogen, nitrogen and sulfur content in coal
SN/T 4675.20-2016 Determination of rare earth elements in exported wines by inductively coupled plasma mass spectrometry

Shanxi Provincial Standard of the People's Republic of China, Nitrogen in the soil

DB14/T 1099-2015 Determination of Hydrolyzable Nitrogen in Soil Alkaline Hydrolysis Distillation Potentiometric Titration

Danish Standards Foundation, Nitrogen in the soil

DS/ISO 13196:2013 Soil quality - Screening soils for selected elements by energy-dispersive X-ray fluorescence spectrometry using a handheld or portable instrument
DS/EN 13650:2002 Soil improvers and growing media - Extraction of aqua regia soluble elements
DS/ISO/TS 22451:2021 Recycling of rare earth elements – Methods for the measurement of rare earth elements in industrial waste and end-of-life products
DS/EN 13652:2002 Soil improvers and growing media - Extraction of water soluble nutrients and elements
DS/EN 15309:2007 Characterization of waste and soil - Determination of elemental composition by X-ray fluorescence
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 16173:2012 Sludge, treated biowaste and soil - Digestion of nitric acid soluble fractions of elements
DS/EN 16174:2012 Sludge, treated biowaste and soil - Digestion of aqua regia soluble fractions of elements
DS/ISO 54321:2021 Soil, treated biowaste, sludge and waste – Digestion of aqua regia soluble fractions of elements
DS/EN ISO 54321:2021 Soil, treated biowaste, sludge and waste – Digestion of aqua regia soluble fractions of elements (ISO 54321:2020)
DS/CEN/TS 16188:2012 Sludge, treated biowaste and soil - Determination of elements in aqua regia and nitric acid digests - Flame atomic absorption spectrometry method (FAAS)
DS/ISO 22453:2021 Exchange of information on rare earth elements in industrial wastes and end-of-life cycled products
DS/CEN/TS 16172:2013 Sludge, treated biowaste and soil - Determination of elements using graphite furnace atomic absorption spectrometry (GF-AAS)
DS/CEN/TS 16171:2013 Sludge, treated biowaste and soil - Determination of elements using inductively coupled plasma mass spectrometry (ICP-MS)
DS/CEN/TS 16170:2013 Sludge, treated biowaste and soil - Determination of elements using inductively coupled plasma optical emission spectrometry (ICP-OES)

ES-UNE, Nitrogen in the soil

UNE-EN ISO 13196:2015 Soil quality - Screening soils for selected elements by energy-dispersive X-ray fluorescence spectrometry using a handheld or portable instrument (ISO 13196:2013) (Endorsed by AENOR in September of 2015.)
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-EN ISO 16198:2015 Soil quality - Plant-based test to assess the environmental bioavailability of trace elements to plants (ISO 16198:2015) (Endorsed by AENOR in February of 2015.)
UNE-EN 16173:2012 Sludge, treated biowaste and soil - Digestion of nitric acid soluble fractions of elements (Endorsed by AENOR in October of 2012.)
UNE-EN ISO 54321:2021 Soil, treated biowaste, sludge and waste - Digestion of aqua regia soluble fractions of elements (ISO 54321:2020) (Endorsed by Asociación Española de Normalización in March of 2021.)
UNE-EN 16171:2016 Sludge, treated biowaste and soil - Determination of elements using inductively coupled plasma mass spectrometry (ICP-MS) (Endorsed by AENOR in December of 2016.)
UNE-EN ISO 18589-7:2016 Measurement of radioactivity in the environment - Soil - Part 7: In situ measurement of gamma-emitting radionuclides (ISO 18589-7:2013)
UNE-EN 16170:2016 Sludge, treated biowaste and soil - Determination of elements using inductively coupled plasma optical emission spectrometry (ICP-OES) (Endorsed by AENOR in December of 2016.)

Lithuanian Standards Office , Nitrogen in the soil

LST EN 13650-2006 Soil improvers and growing media - Extraction of aqua regia soluble elements
LST EN 13652-2004 Soil improvers and growing media - Extraction of water soluble nutrients and elements
LST EN 15309-2007 Characterization of waste and soil - Determination of elemental composition by X-ray fluorescence
LST EN 16173-2012 Sludge, treated biowaste and soil - Digestion of nitric acid soluble fractions of elements
LST EN 16174-2012 Sludge, treated biowaste and soil - Digestion of aqua regia soluble fractions of elements
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 10179-2000 Chemical analysis of ferrous materials - Determination of nitrogen (trace mounts) in steel - Spectrophotometric method
LST EN ISO 54321:2021 Soil, treated biowaste, sludge and waste - Digestion of aqua regia soluble fractions of elements (ISO 54321:2020)

Professional Standard - Environmental Protection, Nitrogen in the soil

HJ 832-2017 Determination of Total Metal Elements in Soil and Sediment Microwave Digestion Method
HJ 780-2015 Soil and sediment-Determination of inorganic element- Wavelength dispersive X-ray fluorescence spectrometry
HJ 974-2018 Determination of Eleven Elements in Soil and Sediment Alkali Fusion-Inductively Coupled Plasma Emission Spectrometry
HJ 803-2016 Soil and sediment-Determination of aqua regia extracts of 12 metal elements-Inductively coupled plasma mass spectrometry
HJ 804-2016 Soil - Determination of bioavailable form of eight elements – Extraction with buffered DTPA solution/Inductively coupled plasma optical emission spectrometry

NL-NEN, Nitrogen in the soil

NEN 5768-1992 Soil - Sample preparation of soil for the determination of elements by atomic spectrometry - Destruction with nitric acid and sulfuric acid
NVN 5770-1993 Soil and sludge. Sample preparation of soil and sludge for the determination of elements by atomic spectrometry. Destruction with nitric acid and hydrochloric acid in a microwave oven

Hebei Provincial Standard of the People's Republic of China, Nitrogen in the soil

DB13/T 5221-2020 Determination of Oxytetracycline, Chlortetracycline, Tetracycline, Doxycycline and Metamycin in Soil by High Performance Liquid Chromatography-Tandem Mass Spectrometry

Professional Standard - Agriculture, Nitrogen in the soil

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 1848-2010 Method for determination of ammonium nitrogen, available phosphorus and rapidly-available potassium in neutrality or calcareous soil Universal extract-colorimetric method
NY/T 1938-2010 Method for the determination of rare-earth in food of plant.Inductively coupled plasma atomic emission spectrometric method

Japanese Industrial Standards Committee (JISC), Nitrogen in the soil

JIS M 8404:1976 Methods for determination of rare earths in ores
JIS M 8406:1976 Method for determination of yttrium group rare earths in ores

American Society for Testing and Materials (ASTM), Nitrogen in the soil

ASTM D5911-96e1 Standard Practice for Minimum Set of Data Elements to Identify a Soil Sampling Site
ASTM D5911-96(2002)e1 Standard Practice for Minimum Set of Data Elements to Identify a Soil Sampling Site
ASTM C1000-19 Standard Test Method for Radiochemical Determination of Uranium Isotopes in Soil by Alpha Spectrometry
ASTM C1000-05 Standard Test Method for Radiochemical Determination of Uranium Isotopes in Soil by Alpha Spectrometry
ASTM C1000-00 Standard Test Method for Radiochemical Determination of Uranium Isotopes in Soil by Alpha Spectrometry
ASTM C1000-11 Standard Test Method for Radiochemical Determination of Uranium Isotopes in Soil by Alpha Spectrometry
ASTM D8082-18 Standard Specification for Elemental Impurity Limits in Erosion Control Products used for Land Application
ASTM D8295-19 Standard Test Method for Determination of Shear Wave Velocity and Initial Shear Modulus in Soil Specimens using Bender Elements

CEN - European Committee for Standardization, Nitrogen in the soil

EN 15309:2007 Characterization of waste and soil - Determination of elemental composition by X-ray fluorescence
EN 16173:2012 Sludge@ treated biowaste and soil - Digestion of nitric acid soluble fractions of elements
PREN 16172-2010 Sludge@ treated biowaste and soil - Determination of trace elements in aqua regia and nitric acid digests - Graphite furnace atomic absorption spectrometry method (GFAAS)

PT-IPQ, Nitrogen in the soil

Shaanxi Provincial Standard of the People's Republic of China, Nitrogen in the soil

DB61/T 1162-2018 Determination of Heavy Metal Elements in Soil by Energy Dispersive X-ray Fluorescence Spectrometry
DB61/T 1580-2022 Determination of Inorganic Elements in Soils and Sediments Energy Dispersive X-ray Fluorescence Spectrometry

Professional Standard - Commodity Inspection, Nitrogen in the soil

SN/T 4062-2014 Determination of rare earth elements in botanic Chinese medicinal material for export
SN/T 3005-2011 Test method for instrumental determination of carbon,hydrogen,nitrogen and sulfur in organic chemicals

Professional Standard - Energy, Nitrogen in the soil

NB/SH/T 0656-2017 Determination of Carbon, Hydrogen and Nitrogen in Petroleum Products and Lubricants Elemental Analyzer Method

国家能源局, Nitrogen in the soil

SH/T 0656-2017 Elemental analyzer method for determination of carbon, hydrogen and nitrogen in petroleum products and lubricants

中华人民共和国国家卫生和计划生育委员会, Nitrogen in the soil

GB/T 11743-1989 Gamma spectrometry method of analysing radionuclides in soil

Standard Association of Australia （SAA）, Nitrogen in the soil

AS ISO 54321:2023 Soil, treated biowaste, sludge and waste — Digestion of aqua regia soluble fractions of elements

PL-PKN, Nitrogen in the 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-EN ISO 54321-2021-07 E Soil, treated biowaste, sludge and waste -- Digestion of aqua regia soluble fractions of elements (ISO 54321:2020)

IT-UNI, Nitrogen in the soil

UNI EN ISO 54321:2021 Soil, treated biowaste, sludge and waste - Digestion of aqua regia soluble fractions of elements

Professional Standard - Chemical Industry, Nitrogen in the soil

HG 2842-1997 Rare earths content and determination in ammonium bicarbonate-compound fertilizers(tentadtive)
HG/T 2842-1997 Content and determination of rare earth elements in ammonium bicarbonate compound fertilizer (provisional)

Jiangxi Provincial Standard of the People's Republic of China, Nitrogen in the soil

DB36/T 1842-2023 Determination of 16 rare earth elements including lanthanum and cerium in soil and sediments by microwave digestion-inductively coupled plasma mass spectrometry

工业和信息化部, Nitrogen in the soil

XB/T 629.1-2020 Methods for chemical analysis of rare earth aluminum master alloys Part 1: Determination of amounts of rare earth elements

Shandong Provincial Standard of the People's Republic of China, Nitrogen in the soil

DB37/T 4435-2021 Determination of Total 14 Metal Elements in Soil and Sediment by Inductively Coupled Plasma Mass Spectrometry

CH-SNV, Nitrogen in the soil

SN EN ISO 54321:2021 Soil, treated biowaste, sludge and waste - Digestion of aqua regia soluble fractions of elements (ISO 54321:2020)

National Health Commission of the People's Republic of China, Nitrogen in the soil

GB 5009.94-2012 National Food Safety Standard Determination of Rare Earth Element in Foods of Plant

Guangxi Provincial Standard of the People's Republic of China, Nitrogen in the soil

DB45/T 1487-2017 Determination of Rare Earth Elements in Compound Fertilizers by Inductively Coupled Plasma Mass Spectrometry

农业农村部, Nitrogen in the soil

NY/T 3834-2021 Determination of 16 rare earth elements in fertilizers by inductively coupled plasma mass spectrometry

未注明发布机构, Nitrogen in the soil

BS EN 16171:2016 Sludge, treated biowaste and soil — Determination of elements using inductively coupled plasma mass spectrometry (ICP - MS)
BS EN 16170:2016(2017) Sludge, treated biowaste and soil — Determination of elements using inductively coupled plasma optical emission spectrometry (ICP - OES)

中华人民共和国环境保护部, Nitrogen in the soil

GB 11220.1-1989 Determination of uranium in soil-CL-5209 extractant-containing resin separation 2-(5-bromo-2-pyridylazo)-5-diethlaminophenol spectrophotometry