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Composition Water Nitrogen

Composition Water Nitrogen, Total:408 items.

In the international standard classification, Composition Water Nitrogen involves: Water quality, Vocabularies, Photography, ENVIRONMENT. HEALTH PROTECTION. SAFETY, Refractories, Analytical chemistry, Paint ingredients, Fertilizers, Agricultural machines, implements and equipment, Inorganic chemicals, Test conditions and procedures in general, Fuels, Soil quality. Pedology, Fruits. Vegetables, Burners. Boilers, Animal feeding stuffs, Non-ferrous metals, Construction materials, Non-metalliferous minerals, Farming and forestry, Bearings, Environmental testing, Protection of and in buildings, Milk and milk products, Spices and condiments. Food additives, Geology. Meteorology. Hydrology, Coals, Road engineering, Natural gas, Pulps, Wastes, Corrosion of metals, Installations in buildings, Petroleum products in general, Construction industry, Raw materials for rubber and plastics, General methods of tests and analysis for food products, Products of the chemical industry, Textile fibres, Plastics, Protection against fire, Iron and steel products, Products of the textile industry, Metrology and measurement in general, Microbiology, Reinforced plastics.

PT-IPQ, Composition Water Nitrogen

E 211-1967
E 231-1970 A presente especifica??o destina-se a fixar o modo de efectuar a determina??o, nos cimentos, do teor em halogenetos solúveis nas condi??es do ensaio.
E 339-1980
NP EN 197-1-2001 Cement Part 1:Composition,specifications and conformity criteria for common cements

Danish Standards Foundation, Composition Water Nitrogen

DS/EN 12260:2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
DS 224:1975 Water analysis. Determination of ammonia-nitrogen
DS/EN ISO 13395:1997 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
DS/EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
DS/EN 197-1:2012 Cement - Part 1: Composition, specifications and conformity criteria for common cements
DS 434.1:1989 Lightweight aggregate concrete components. Determination of moisture content
DS/EN ISO 11905-1:2001 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate
DS/EN ISO 21068-3:2008 Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents
DS 433.1:1989 Aerated lightweight concrete components. Moisture content
DS 427:1995 Cement-Composition,specifications and conformity criteria-Part 1:Common cements
DS/ENV 197-1:1993 Cement. Composition, specifications and conformity criteria. Part 1: Common cements
DS/ENV 197-1:1994 Cement-Composition,specifications and conformity criteria-Part 1:Common cements
DS/EN 14216:2004 Cement - Composition, specifications and conformity criteria for very low heat special cements
DS/EN 14647/AC:2007 Calcium aluminate cement - Composition, specifications and conformity criteria
DS/EN 14647:2005 Calcium aluminate cement - Composition, specifications and conformity criteria
DS/ENV 196-4:1994 Methods of testing cement-Part 4:Quantitative determination of constituents
DS/EN 413-1/ZA:2011 Masonry cement - Part 1: Composition, specifications and conformity criteria
DS/EN 413-1:2011 Masonry cement - Part 1: Composition, specifications and conformity criteria
DS/CEN/TR 196-4:2007 Methods of testing cement - Part 4: Quantitative determination of constituents
DS 256:1977 Water analysis. Components of the carbonate system. (Calculation method)
DS/EN 15743:2010 Supersulfated cement - Composition, specifications and conformity criteria
DS/ISO 15522:2000 Water quality - Determination of the inhibitory effect of water constituents on the growth of activated sludge microorganisms
DS/ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection

Lithuanian Standards Office , Composition Water Nitrogen

LST EN 12260-2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
LST EN ISO 13395:2000 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996)
LST EN 197-1-2011 Cement - Part 1: Composition, specifications and conformity criteria for common cements
LST EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005)
LST EN 14216-2004 Cement - Composition, specifications and conformity criteria for very low heat special cements
LST EN 14647-2006 Calcium aluminate cement - Composition, specifications and conformity criteria
LST EN 14647-2006/AC-2007 Calcium aluminate cement - Composition, specifications and conformity criteria
LST EN 413-1-2011 Masonry cement - Part 1: Composition, specifications and conformity criteria
LST EN 15743-2010 Supersulfated cement - Composition, specifications and conformity criteria
LST EN ISO 11905-1:2000 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate (ISO 11905-1:1997)

AENOR, Composition Water Nitrogen

UNE-EN 12260:2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
UNE 30026:1952 DENSITY AND COMPOSITION OF AQUEOUS SOLUTIONS OF HYDROCHLORIC ACID.
UNE-EN 197-1:2011 Cement - Part 1: Composition, specifications and conformity criteria for common cements
UNE 30028:1954 DENSITY AND COMPOSITION OF PURE AQUEOUS SOLUTIONS OF SULPHURIC ACID.
UNE 30027:1953 DENSITY AND COMPOSITION OF PURE AQUEOUS SOLUTIONS OF NITRIC ACID.
UNE-EN ISO 13395:1997 WATER QUALITY. DETERMINATION OF NITRITE NITROGEN AND NITRATE NITROGEN AND THE SUM OF BOTH BY FLOW ANALYSIS (CFA AND FIA) AND SPECTROMETRIC DETECTION. (ISO 13395:1996).
UNE-EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005)
UNE-EN 14647:2006 Calcium aluminate cement - Composition, specifications and conformity criteria
UNE 80216:2010 Methods of testing cement. Quantitative determination of constituents.
UNE 80304:2006 Cements. Calculations of potencial composition of portland clinker.
UNE-EN 413-1:2011 Masonry cement - Part 1: Composition, specifications and conformity criteria
UNE 112013:1994 BIOLOGICAL CORROSION. ISOLATION AND IDENTIFICATION OF IRON BACTERIA IN WATER AND WATER-FORMED DEPOSITS.

Association Francaise de Normalisation, Composition Water Nitrogen

NF T90-060:2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TN sub b), following oxidation to nitrogen oxides.
NF EN ISO 13395:1996 Qualité de l'eau - Détermination de l'azote nitreux et de l'azote nitrique et de la somme des deux par analyse en flux (CFA et FIA) et détection spectrométrique
NF EN ISO 11905-1:1998 Qualité de l'eau - Dosage de l'azote - Partie 1 : méthode par minéralisation oxydante au peroxodisulfate
NF EN ISO 11732:2005 Qualité de l'eau - Dosage de l'azote ammoniacal - Méthode par analyse en flux (CFA et FIA) et détection spectrométrique
NF T90-080:1997 Water quality - Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection.
NF T90-080*NF EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection.
XP P41-280:2008 Effect of materials on the quality of water intended for human consumption . Objects constituted by several components among which at least organic one entering the contact of the water . Obtaining and analysis of the water of migration
NF P98-120:1992 ROAD FOUDATIONS. HYDRAULIC FLY ASH BOUND GRANULAR MATERIAL. DEFINITION,COMPOSITION,CLASSIFICATION.
NF T90-012*NF EN ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection.
NF EN 197-1:2012 Ciment - Partie 1 : composition, spécifications et critères de conformité des ciments courants
NF P15-101-1/A3:2009 Cement - Part 1 : composition, specifications and conformity criteria for common cements.
NF P15-109*NF EN 14216:2016 Cement - Composition, specifications and conformity criteria for very low heat special cements
NF B49-423-3*NF EN ISO 21068-3:2008 Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 3 : determination of nitrogen, oxygen and metallic and oxidic constituents.
NF EN 14647:2006 Ciment d'aluminates de calcium - Composition, spécifications et critères de conformité
NF EN 15743/IN1:2015 Ciment sursulfaté - Composition, spécifications et critères de conformité
NF EN 15743+A1:2015 Ciment sursulfaté - Composition, spécifications et critères de conformité
NF EN ISO 21068-3:2008 Analyse chimique des matières premières et des produits réfractaires contenant du carbure de silicium - Partie 3 : dosage de l'azote, de l'oxygène et des constituants métalliques et oxydés
NF P15-302:2021 Hydraulic binders - Cements for tropical use - Composition, specifications and conformity criteria
NF EN 14216:2016 Ciment - Composition, spécifications et critères de conformité des ciments spéciaux à très faible chaleur d'hydratation
NF EN 413-1:2012 Ciment à maçonner - Partie 1 : Composition, spécifications et critères de conformité
NF P15-111*NF EN 14647:2006 Calcium aluminate cement - Composition, specifications and conformity criteria.
NF P98-124:1992 ROAD FOUNDATIONS. FLY ASHES-LIME-GYPSUM. DEFINITION,COMPOSITION,CLASSIFICATION.
FD T90-343*FD ISO 15522:2003 Water quality - Determination of the inhibitory effect of water constituents on the growth of activated sludge microorganisms
FD ISO 15522:2003 Qualité de l'eau - Détermination de l'effet inhibiteur des constituants de l'eau sur la croissance des micro-organismes de boues activées
NF EN ISO 20079:2006 Qualité de l'eau - Détermination de l'effet toxique des constituants de l'eau et des eaux résiduaires vis-à-vis des lentilles d'eau (Lemna minor) - Essai d'inhibition de la croissance des lentilles d'eau

British Standards Institution (BSI), Composition Water Nitrogen

BS EN 12260:2003 Water quality. Determination of nitrogen. Determination of bound nitrogen (TN<sub>b</sub>), following oxidation to nitrogen oxides
BS ISO 18905:2002 Imaging materials - Ammonia-processed diazo photographic film - Specifications for stability
23/30446960 DC BS EN ISO 21068-3. Chemical analysis of raw materials and refractory products containing silicon carbide, silicon nitride, silicon oxynitride and sialon - Part 3. Determination of nitrogen, oxygen and metallic and oxidic constituents
BS EN ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
BS EN ISO 11732:2005 Water quality. Determination of ammonium nitrogen. Method by flow analysis (CFA and FIA) and spectrometric detection
20/30375934 DC BS ISO 4652. Rubber compounding ingredients. Carbon black. Determination of specific surface area by nitrogen adsorption methods. Single-point procedures
21/30426878 DC BS ISO 23697-2. Water quality. Determination of total nitrogen (TNb) in water using small-scale sealed tubes. Part 2. Chromotropic acid based method
23/30470586 DC BS EN 17979. Reactivity of Cement Constituents. Heat of Hydration and Bound Water methods
BS ISO 21437:2020 Pulps. Determination of carbohydrate composition
BS EN ISO 21068-3:2008 Chemical analysis of silicon-carbide-containing raw materials and refractory products -Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents
21/30426875 DC BS ISO 23697-1. Water quality. Determination of total nitrogen (TNb) in water using small-scale sealed tubes. Part 1. Dimethylphenol based method
BS ISO 11722:2013 Solid mineral fuels. Hard coal. Determination of moisture in the general analysis test sample by drying in nitrogen
BS EN 413-1:2011 Masonry cement. Composition, specifications and conformity criteria
BS 976:1987 Schedule for density-composition tables for aqueous solutions of hydrochloric acid
BS 975:1987 Schedule for density-composition tables for aqueous solutions of nitric acid
PD CEN/TR 196-4:2007 Methods of testing cement. Quantitative determination of constituents
23/30446956 DC BS EN ISO 21068-2. Chemical analysis of raw materials and refractory products containing silicon carbide, silicon nitride, silicon oxynitride and sialon - Part 2. Determination of volatile components, total carbon, free carbon, silicon carbide,…
BS EN 14647:2005(2007) Calcium aluminate cement. Composition, specifications and conformity criteria
BS EN 15743:2010+A1:2015 Supersulfated cement. Composition, specifications and conformity criteria
18/30381366 DC BS EN 197-1. Cement. Part 1. Composition, specifications and conformity criteria for common cements
BS EN 14647:2005 Calcium aluminate cement - Composition, specifications and conformity criteria
BS EN 14647:2006 Calcium aluminate cement. Composition, specifications and conformity criteria
19/30343662 DC BS ISO 21437. Pulps. Determination of carbohydrate composition
BS 6068-5.25:1999 Water quality. Biological methods. Determination of the inhibitory effect of water constituents on the growth of activated sludge microorganisms. Section 5.25 Determination of the inhibitory effect of water constituents on the growth of activated sludg...
BS EN 14216:2015 Tracked Changes. Cement. Composition, specifications and conformity criteria for very low heat special cements

German Institute for Standardization, Composition Water Nitrogen

DIN EN 12260:2003 Water quality - Determination of nitrogen - Determination of bound nitrogen (TN<(Index)b>), following oxidation to nitrogen oxides; German version EN 12260:2003
DIN EN ISO 11905-1:1998 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate (ISO 11905-1:1997); German version EN ISO 11905-1:1998
DIN 38413-8:2000-09 German standard methods for the examination of water, waste water and sludge - Single components (group P) - Part 8: Determination of nitrilotriacetic acid (NTA), ethylenedinitrilotetraacetic acid (EDTA) and diethylenetrinitrilopentaacetic acid (DTPA) ...
DIN EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005); German version EN ISO 11732:2005
DIN EN ISO 21068-3:2023-07 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents (ISO/DIS 21068-3:2023); German and En...
DIN EN 17979:2023-06 Reactivity of cement constituents - Heat of hydration and bound water methods; German and English version prEN 17979:2023 / Note: Date of issue 2023-05-05
DIN EN ISO 13395:1996-12 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996); German version EN ISO 13395:1996
DIN 1164-11:2023-02 Special cement - Part 11: Cement with short setting time - Composition and requirements
DIN EN 197-1:2011-11 Cement - Part 1: Composition, specifications and conformity criteria for common cements; German version EN 197-1:2011 / Note: Under certain conditions, DIN EN 197-1 (2004-08), DIN EN 197-1 Berichtigung 1 (2004-11), DIN EN 197-1/A3 (2007-09) and DIN EN ...
DIN 1164-10:2023-02 Special cement - Part 10: Cement with low effective alkali content - Composition and requirements
DIN 50930-6:2001 Corrosion of metals - Corrosion of metallic materials under corrosion load by water inside of tubes, tanks and apparatus - Part 6: Influence of the composition of drinking water
DIN EN ISO 6974-4:2002-06 Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 4: Determination of nitrogen, carbon dioxide and C<(Index)1> to C<(Index)5> and C<(Index)6+> hydrocarbons for a laboratory and on-line me...
DIN EN ISO 11732:2005-05 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005); German version EN ISO 11732:2005
DIN EN 14216:2015-09 Cement - Composition, specifications and conformity criteria for very low heat special cements; German version EN 14216:2015
DIN EN ISO 21068-3:2008 Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents (ISO 21068-3:2008); English version of DIN EN ISO 21068-3:2008-12
DIN EN 14647 Berichtigung 1:2007-04 Calcium aluminate cement - Composition, specifications and conformity criteria; German version EN 14647:2005, Corrigenda to DIN EN 14647:2006-01; German version EN 14647:2005/AC:2006
DIN EN 15743:2015-06 Supersulfated cement - Composition, specifications and conformity criteria; German version EN 15743:2010+A1:2015
DIN EN 14647:2006-01 Calcium aluminate cement - Composition, specifications and conformity criteria; German version EN 14647:2005
DIN EN ISO 21068-2:2023-07 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, fr...
DIN EN 413-1:2011-07 Masonry cement - Part 1: Composition, specifications and conformity criteria; German version EN 413-1:2011 / Note: To be replaced by DIN EN 413-1 (2018-07).
DIN EN ISO 6974-6:2005-08 Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 6: Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and C<(Index)1> to C<(Index)8> hydrocarbons using three capillary column...
DIN 1164-12:2005 Special cement - Part 12: Composition, specification and conformity evaluation for cement with higher quantity of organic constituents
DIN EN 197-1/A3:2007 Cement - Part 1: Composition, specifications and conformity criteria for common cements; English version of DIN EN 197-1:2000/A3:2007-09
DIN 4266-1:2011-11 Drainage pipes for landfills - Part 1: Drainage pipes made from PE and PP
DIN EN 14647:2006 Calcium aluminate cement - Composition, specifications and conformity criteria; English version of DIN EN 14647:2005
DIN EN 14647 Berichtigung 1:2007 Calcium aluminate cement - Composition, specifications and conformity criteria; German version EN 14647:2005, Corrigenda to DIN EN 14647:2006-01; German version EN 14647:2005/AC:2006
DIN 14530-5:2011 Firefighting vehicles - Part 5: Group pumping appliance LF 10
DIN EN ISO 11905-1:1998-08 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate (ISO 11905-1:1997); German version EN ISO 11905-1:1998
DIN EN ISO 6974-5:2014-10 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 5: Isothermal method for nitrogen, carbon dioxide, C<(Index)1> to C<(Index)5> hydrocarbons and C<(Index)6+> hydrocarbons (ISO 6974-5:20...
DIN 50931-1:1999 Corrosion of metals - Corrosion tests of drinking water - Part 1: Testing of change of the composition of drinking water
DIN 18532-4:2017-07 Waterproofing of concrete areas trafficable by vehicles - Part 4: Waterproofing comprising a single layer of synthetic or elastomer sheeting / Note: Applies in conjunction with DIN 18532-1 (2017-07).
DIN EN ISO 20079:2006-12 Water quality - Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor) - Duckweed growth inhibition test (ISO 20079:2005); German version EN ISO 20079:2006

VN-TCVN, Composition Water Nitrogen

TCVN 6624-2-2000 Water quality.Determination of nitrogen.Part 1: Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
TCVN 6624-1-2000 Water quality.Determination of nitrogen.Part 1: Method using oxidative digestion with peroxodisunfate

Korean Agency for Technology and Standards (KATS), Composition Water Nitrogen

KS I ISO 11905-2:2008 Water quality-Determination of nitrogen-Part 2:Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
KS I ISO 11905-2-2008(2013) Water quality－Determination of nitrogen－Part 2：Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
KS I ISO 6332:2021 Water quality ― Determination of iron —Spectrometric method using 1,10-phenanthroline
KS I ISO 13395:2008 Water quality-Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS I ISO 11905-1:2008 Water quality-Determination of nitrogen-Part 1:Method using oxidative digestion with peroxodisulfate
KS I ISO 13395-2008(2018) Water quality－Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS I ISO 10695:2006 Water quality－Determination of selected organic nitrogen andphosphorus compounds－Gas chromatographic methods
KS I ISO 11732-2008(2018) Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS F 4911-2012 Waterproofing sheets of synthetic polymer
KS I ISO 11732:2008 Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS I ISO 11905-1-2008(2018) Water quality－Determination of nitrogen－Part 1：Method using oxidative digestion with peroxodisulfate
KS E ISO 11722:2007 Solid mineral fuels－Hard coal－Determination of moisture in the general analysis test sample by drying in nitrogen
KS E ISO 11722:2017 Solid mineral fuels－Hard coal－Determination of moisture in the general analysis test sample by drying in nitrogen
KS L ISO 21068-3-2012(2022) Chemical analysis of silicon-carbide-containing raw materials and refractory products－Part 3：Determination of nitrogen, oxygen and metallic and oxidic constituents
KS E ISO 11722-2017(2022) Solid mineral fuels — Hard coal — Determination of moisture in the general analysis test sample by drying in nitrogen
KS F 4803-2014 Components of glassfiber reinforced plastic waste water disposal tank
KS I ISO 17381-2010(2015) Water quality－Selection and application of ready-to-use test kit methods in water analysis
KS L ISO 21068-3:2012 Chemical analysis of silicon-carbide-containing raw materials and refractory products-Part 3:Determination of nitrogen, oxygen and metallic and oxidic constituents
KS M ISO 20764-2004(2019) Petroleum and related products－Preparation of a test portion of high-boiling liquids for the determination of water content－Nitrogen purge method
KS I ISO 15522-2010(2015) Water quality－Determination of the inhibitory effect of water constituents on the growth of activated sludge microorganisms
KS I ISO 15522:2022 Water quality — Determination of the inhibitory effect of water constituents on the growth of activated sludge microorganisms

International Organization for Standardization (ISO), Composition Water Nitrogen

ISO/TR 11905-2:1997 Water quality - Determination of nitrogen - Part 2: Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
ISO 18905:2002 Imaging materials - Ammonia-processed diazo photographic film - Specifications for stability
ISO 6332:1982 Water analysis — Determination of iron — 1,10-phenanthroline photometric method
ISO/DIS 21068-3 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon — Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents
ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
ISO 11905-1:1997 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate
ISO 10695:2000 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas-chromatographic methods
ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
ISO 11722:1999 Solid mineral fuels - Hard coal - Determination of moisture in the general analysis test sample by drying in nitrogen
ISO 23697-2:2023 Water quality — Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes — Part 2: Chromotropic acid colour reaction
ISO 21437:2020 Pulps - Determination of carbohydrate composition
ISO 11722:2013 Solid mineral fuels - Hard coal - Determination of moisture in the general analysis test sample by drying in nitrogen
ISO 23697-1:2023 Water quality — Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes — Part 1: Dimethylphenol colour reaction
ISO 21068-3:2008 Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents

BE-NBN, Composition Water Nitrogen

NBN T 91-255-1976 Water analysis methods - Determination of the ammoniacal and organic nitrogen - (Kjeldahl nitrogen)
NBN T 91-253-1976 Water analysis methods - Determination of the albuminoid nitrogen
NBN T 91-252-1976 Water analysis methods - Determination of the ammoniacal nitro-gen after preliminary distillation
NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method
NBN T 91-256-1977 Water analysis methods - Determination of the nitrate nitrogen -Photometric method with chromotropic acid
NBN B 12-001-1993
NBN T 91-254-1976 Water analysis methods - Determination of the ammoniacal nitrogen -Direct photometric methodwith sodium phenate
NBN T 91-251-1976 Water analysis methods — Determination of the ammoniacal nitrogen — Direct photometric method with Nessler reagent
NBN-EN 196-4-1991 Methods of testing cement - Quantitative determination of constituents
NBN-EN 196-4-1993 Methods of testing cement - Part 4 : Quantitative determination of constituents

European Committee for Standardization (CEN), Composition Water Nitrogen

DD ENV 12 260-1996 Water Quality - Determination of Nitrogen - Determination of Bound Nitrogen, After Combustion and Oxidation to Nitrogen Dioxide, Using Chemiluminescence Detection
EN ISO 13395:1996 Water Quality - Determination of Nitrite Nitrogen and Nitrate Nitrogen and the Sum of Both by Flow Analysis (CFA and FIA) and Spectrometric Detection
EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005)
prEN 17979 Reactivity of Cement Constituents - Heat of Hydration and Bound Water methods
EN ISO 10695:2000 Water Quality - Determination of Selected Organic Nitrogen and Phosphorus Compounds - Gas Chromatographic Methods ISO 10695: 2000
prENV 197-1989 Cement; composition, specifications and conformity criteria
DD ENV 197-1-1992 Cement; composition, specifications and conformity criteria; part 1: common cements
EN ISO 6974-5:2014 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 5: Isothermal method for nitrogen@ carbon dioxide@ C1 to C5 hydrocarbons and C6+ hydrocarbons
EN ISO 11905-1:1998 Water Quality - Determination of Nitrogen - Part 1: Method Using Oxidative Digestion with Peroxodisulfate ISO 11905-1:1997
prEN 413-1-1990 Masonry cement; part 1: composition, specifications and conformity criteria
EN ISO 21068-3:2008 Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents (ISO 21068-3:2008)
PREN 197-3-2001 Cement - Part 3: Composition, Specifications and Conformity Criteria for Low Heat Common Cements
DD ENV 196-4-1989 Methods of Testing Cement; Quantitative Determination of Constituents Ratified European Text [Superseded By: CEN TR 196-4]
prENV 196-4-1992 Methods of testing cement; part 4: quantitative determination of constituents
CEN/TR 196-4:2007 Methods of testing cement - Part 4: Quantitative determination of constituents
EN 14647:2005 Calcium aluminate cement - Composition, specifications and conformity criteria
TR 196-4-2007 Methods of testing cement - Part 4: Quantitative determination of constituents

ZA-SANS, Composition Water Nitrogen

SANS 5922:1978 Total moisture content of coal (nitrogen-oven method)
SANS 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
SANS 11732:2006 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
SANS 50197-1:2000 Cement Part 1: Composition, specifications and conformity criteria for common cements
SANS 50197-1:2013 Cement Part 1: Composition, specifications and conformity criteria for common cements
SANS 11722:2005 Solid mineral fuels - Hard coal - Determination of moisture in the general analysis test sample by drying in nitrogen

American Society for Testing and Materials (ASTM), Composition Water Nitrogen

ASTM D6146-97(2002) Standard Guide for Monitoring Aqueous Nutrients in Watersheds
ASTM D6146-97 Standard Guide for Monitoring Aqueous Nutrients in Watersheds
ASTM D6146-97(2007) Standard Guide for Monitoring Aqueous Nutrients in Watersheds
ASTM D5463-98 Standard Guide for Use of Test Kits to Measure Inorganic Constituents in Water

Professional Standard - Agriculture, Composition Water Nitrogen

SL/T 788.1-2019 Part 1: Determination of total nitrogen in water quality
SC/T 9444-2023 Determination of ammonia nitrogen in aquaculture water by gas phase molecular absorption spectrometry
水产品质量安全检验手册 2.17.1.0-2005 Chapter 2 Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Section 17 Determination of Volatile Base Nitrogen in Aquatic Products (GBT 5009.44-2003) 1. Semi-trace Nitrogen Determination Method
农业农村部公告第628号-11-2022 Component detection of transgenic plants and their products Screening of common genetically modified components in rice

NO-SN, Composition Water Nitrogen

NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
NS 4743-1993 Water analysis. Determination of total nitrogen after oxidation with peroxodisulphate

National Metrological Verification Regulations of the People's Republic of China, Composition Water Nitrogen

JJG 1094-2013 Water Quality On-line Analyzers of Total Phosphorus and Total Nitrogen

Professional Standard - Environmental Protection, Composition Water Nitrogen

HJ 536-2009 Water quality.Determination of ammonia nitrogen.Salicylic acid spectrophotometry
HJ/T 101-2003 The technical requirement for water quality automatic analyzer of ammonia
HJ/T 102-2003 The technical requirement for water quality automatic analyzer of total nitrogen
HJ 1191-2021 Spectrophotometric method for the determination of water quality azide
HJ 665-2013 Water quality.Determination of ammonium nitrogen by continuous flow analysis (CFA) and Salicylic acid spectrophotometry
HJ 666-2013 Water quality.Determination of ammonium nitrogen by flow injection analysis (FIA) and Salicylic acid spectrophotometry
HJ/T 199-2005 Water quality Determination of tota-nitrogen Gas-phase molecular absorption spectrometry
HJ/T 195-2005 Water quality - Determination of ammonia-nitrogen Gas-phase molecular absorption spectrometry
HJ 535-2009 Water quality.Determination of ammonia nitrogen.Nessler's reagent spectrophotometry
HJ/T 196-2005 Water quality - Determination of Kjeldahl-nitrogen Gas-phase molecular absorption spectrcmetry
HJ/T 198-2005 Water quality - Determination of nitrate-nitrogen Gas-phase molecular absorption spectrometry
HJ/T 346-2007 Water quality. Determination of nitrate-nitrogen. Ultraviolet spectrophotometry
HJ/T 197-2005 Water quality - Determination of nitrite-nitrogen Gas-phase molecular absorption spectrometry
HJ 667-2013 Water quality.Determination of total nitrogen by continuous flow analysis (CFA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry
HJ 668-2013 Water quality.Determination of total nitrogen by flow injection analysis (FIA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry
HJ 636-2012 Water quality.Determination of total nitrogen.Alkaline potassium persulfate digestion UV spectrophotometric method
HJ 550-2015 Water quality.Determination of cobalt.5-Cl-PADAB Spectrophotometry
HJ 550-2009 Water quality.Determination of cobalt.5-CI-PADAB spectrophotometry

PL-PKN, Composition Water Nitrogen

PN BN 6019-02-1963

Japanese Industrial Standards Committee (JISC), Composition Water Nitrogen

JIS K 0102-2:2022 Testing methods for industrial water and industrial wastewater -- Part 2: Inorganic anions, ammonium ion, organic nitrogen, total nitrogen and total phosphorus
JIS K 0170-3:2011 Testing methods for water quality by flow analysis -- Part 3: Total nitrogen
JIS K 0170-3:2019 Testing methods for water quality by flow analysis -- Part 3: Total nitrogen
JIS K 0170-1:2011 Testing methods for water quality by flow analysis -- Part 1: Ammonium nitrogen
JIS K 0170-1:2019 Testing methods for water quality by flow analysis -- Part 1: Ammonium nitrogen
JIS K 0170-2:2011 Testing methods for water quality by flow analysis -- Part 2: Nitrite nitrogen and nitrate nitrogen
JIS K 0170-2:2019 Testing methods for water quality by flow analysis -- Part 2: Nitrite nitrogen and nitrate nitrogen
JIS K 1557-7:2011 Plastics -- Polyols for use in the production of polyurethanes -- Part 7: Determination of basicity, expressed as percent nitrogen and total amine value

中华人民共和国环境保护部, Composition Water Nitrogen

GB 7493-1987 Water quality-Determination of nitrogen (nitrite)-Spectrophotometric method
GB 7480-1987 Water quality-Determination of nitrate-Spectrophotometric method with phenol disulfonic acid
GB 11889-1989 Water quality-Determination of auiline compounds-Spectrophotometric method with N-(1-naphthyl)echylenediamine

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

GB/T 7493-1987 Water quality--Determination of nitrogen (nitrite)--Spectrophotometric method
GB/T 14422-2008 Analysis of water used in boiler and cooling systems.Determination of benzotriazole
GB/T 23835.12-2009 Lithium perchlorate anhydrous.Part 12:Determination of total nitrogen content
GB/T 18856.12-2002 Test methods for quality of coal water mixture--Part 12: Determination of nitrogen of coal water mixture
GB/T 7480-1987 Water quality--Determination of nitrate--Spectrophotometric method with phenol disulfonic acid
GB/T 14422-1993 Analysis of water used in boiler and cooling system. Determination of benzotriazole. Ultraviolet spectrophotometry
GB/T 12960-2007(英文版) Quantitative determination of constituents of cement
GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photometric method
GB/T 18916.8-2006 Norm of water intake.Part 8: Ammonia synthesis
GB/T 7305-2003 Standard test method for water separability of petroleum oils and synthetic fluids
GB/T 11889-1989 Water quality--Determination of aniline compounds--Spectrophotometric method with N-(1-naphthyl) ethylenediamine
GB/T 18856.13-2002 Test methods for quality of coal water mixture--Part 13: Determination for the ash of coal water mixture
GB/T 31730-2015 Detection of genetically modified components in rice.Membrane-based array method
GB/T 11064.7-1989 Lithium carbonate,lithium hydroxide monohydrate and lithium chloride--Determination of iron content--1.10-phenanthroline spectrophotometric method

NL-NEN, Composition Water Nitrogen

NEN 6646-1990 Water - Photometric determination of the content of ammonium nitrogen and of the sum of the contents of ammoniacal and organically bound nitrogen according to Kjeldahl by continuous flow analysis
NVN-ENV 197-1-1992 Cement. Composition, specifications and conformity criteria. Part 1: Common cements

SE-SIS, Composition Water Nitrogen

SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water

CEN - European Committee for Standardization, Composition Water Nitrogen

EN ISO 11732:1997 Water Quality - Determination of Ammonium Nitrogen by Flow Analysis (CFA and FIA) and Spectrometric Detection
PREN 13618-2-2006 Water supply - Hose assembly - Part 2: Semi-rigid hose assembly
PREN 197-1-2018 Cement - Part 1: Composition@ specifications and conformity criteria for common cements
PREN 413-1-2018 Masonry cement - Part 1: Composition@ specifications and conformity criteria

Hunan Provincial Standard of the People's Republic of China, Composition Water Nitrogen

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

Taiwan Provincial Standard of the People's Republic of China, Composition Water Nitrogen

CNS 10880-15-1996 Method of Test for Paint Components(Quantitative Test of Nitrogen in Solvent Solubles)
CNS 12965-1992 Method of Test for Hazardous Components in Fertilizers:Determination of Biuret Nitrogen Content
CNS 10880.15-1996 Method of Test for Paint Components(Quantitative Test of Nitrogen in Solvent Solubles)
CNS 10880-6-1995 Method of Test for Paint Components - Determination of Water by the Karl Fischer Method
CNS 10880.6-1995 Method of Test for Paint Components - Determination of Water by the Karl Fischer Method
CNS 10143-1983 Synthetic Polymer Roofing Sheets for Waterproof
CNS 10144-1983 Method of Test for Synthetic Polymer Roofing Sheets for Waterproof

Professional Standard - Urban Construction, Composition Water Nitrogen

CJ/T 63-1999 Municipal sewage.Determination of aniline compounds.AZO spectrophotometric method
CJ/T 76-1999 Municipal sewage.Determination of nitrogen(nitrite).Sepectrophotometric method
CJ 26.13-1991 Municipal sewage water quality test method Determination of standard aniline Azo spectrophotometric method
CJ 26.26-1991 Municipal sewage water quality inspection method standard Determination of nitrite nitrogen spectrophotometric method

KR-KS, Composition Water Nitrogen

KS I ISO 6332-2021 Water quality ― Determination of iron —Spectrometric method using 1,10-phenanthroline
KS E ISO 11722-2017 Solid mineral fuels－Hard coal－Determination of moisture in the general analysis test sample by drying in nitrogen
KS I ISO 15522-2022 Water quality — Determination of the inhibitory effect of water constituents on the growth of activated sludge microorganisms

Group Standards of the People's Republic of China, Composition Water Nitrogen

T/CHES 15-2017 Determination of Total Nitrogen in Water Quality Gas Phase Molecular Absorption Spectrometry
T/CHES 12-2017 Water Quality Determination of Ammonia Nitrogen Gas Phase Molecular Absorption Spectrometry
T/CHES 27-2019 Water Quality Determination of Ammonia Nitrogen Automatic Analysis Nessler's Reagent Spectrophotometry
T/CHES 13-2017 Water Quality Determination of Nitrate Nitrogen Gas Phase Molecular Absorption Spectrometry
T/CHES 14-2017 Water Quality Determination of Nitrite Nitrogen Gas Phase Molecular Absorption Spectrometry
T/QAS 046-2021 Determination of total iron, ferrous iron and ferric iron in brine by phenanthroline spectrophotometric method
T/FJASI 2-2018 Inductive urinal of urine-water separate discharge—controller (assembly) for water supply and drainage
T/NAIA 0135-2022 Determination of carbon, hydrogen and nitrogen in coal-based Fischer-Tropsch synthetic liquid fuel oil and chemicals Elemental analyzer method
T/CAIA SH002-2014 Water for drinking determination of fluoride 2-(parasulfophenylazo)-1,8-dihydroxy-3,6-naphthalene disulfonic acid, zirconium salt spectrophotometric method

Heilongjiang Provincial Standard of the People's Republic of China, Composition Water Nitrogen

DB23/T 2668-2020 Technical regulations for staged diagnosis of total nitrogen fertilizer control in rice

Xinjiang Provincial Standard of the People's Republic of China, Composition Water Nitrogen

DB65/T 602.2-2001 The determinanation of hydrolyzable nitrogen in soil
DB65/T 602.11-2001 Analysis method of water soluble salts of soil

U.S. Military Regulations and Norms, Composition Water Nitrogen

ARMY MIL-F-44279 A-1993 FRUIT BARS, (OPERATIONAL RATION COMPONENT)

General Motors Corporation (GM), Composition Water Nitrogen

GM 9984434-2003 Universal Waterborne Basecoat Component Revision A

TR-TSE, Composition Water Nitrogen

TS 3651-1981 METHODS FOR THE ANALYSIS OF WATER — DETERMINATION OF IRON CONTENT — 1,10 Phenanthroline Spectrophotometry Method

CZ-CSN, Composition Water Nitrogen

CSN 46 7092-29-1998 Testing methods for feeding stuffs - Part 29: Determination of amonia content in the fish meals
CSN 75 7214-1994 Water quality. Raw water for treatment at drinking water. Classification
CSN ON 86 8320-1967
CSN ISO 6332:1995 Water quality - Determination of iron - Spectrometric method using 1,10-phenantroline
CSN 83 0540 Cast.13-1984 Chemical and physical analysis of waste water Determination of organic and total nitrogen
CSN 49 1016-1982 Sawn timber. Determm?tion of moistuíe content
CSN 58 0703-7-1999 Testing methods of dehydrated products and seasonings - Part 7: Determinaton of total nitrogen
CSN 58 0703-8-1999 Testing methods of dehydrated products and seasonings - Part 8: Determination of ammoniacal nitrogen
CSN P ENV 197-1-1993 Cement. Composition specifications and conformity criteria. Part 1: Common cements
CSN P ENV 196-4-1993 Methods of testing cement; Quantitative determination of constituents
CSN EN 197-1-2003
CSN 72 2217-1985 Determination of unslakable content and mechanical impurities of liraes

YU-JUS, Composition Water Nitrogen

JUS H.B8.162-1988 Fertillzets. Determination of water content in fertilizers vrith nitrogen component trom carbamide. Gravimetric metbo?
JUS H.G0.003-1989 Reagents. Density-composition tables for aqueous solutions of sulphuric aci?
JUS H.G0.004-1994 Reagents - Density-composition tables for aqueous solution of hydrochloric acid
JUS H.G0.006-1991 Reagents. Densitv-composition tables for aqueous solution of so?ium hydroxi?e

未注明发布机构, Composition Water Nitrogen

BS EN ISO 13395:1996(1998) Water quality — Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
BS EN ISO 11905-1:1998(2008)*BS 6068-2.62:1998 Water quality — Determination of nitrogen — Part 1 : Method using oxidative digestion with peroxodisulfate
BS EN 197-1:2011(2019) Cement Part 1 : Composition, specifications and conformity criteria for common cements
DIN EN 197-1:2001 Cement – Part 1: Composition, specifications and conformity criteria for common cements
BS 975:1987(2007) Schedule for Density - composition tables for aqueous solutions of nitric acid
BS 976:1987(2007) Schedule for Density - composition tables for aqueous solutions of hydrochloric acid
BS 753:1987(2007) Schedule for Density - composition tables for aqueous solutions of sulphuric acid
NF P15-101-1*NF EN 197-1:2012 Cement - Part 1 : composition, specifications and conformity criteria for common cements.
DIN EN 197-4:2004 Cement – Part 4: Composition, requirements and conformity criteria of low initial strength blast furnace cement
BS EN ISO 20079:2006(2007)*BS 6068-5.39:2005 Water quality — Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor) — Duckweed growth inhibition test
ISO/IEC 20079:2005 Water quality — Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor) — Duckweed growth inhibition test

Indonesia Standards, Composition Water Nitrogen

SNI 06-6989.14-2004 Water and waste water - Part 14: Test methods of dissolved oxygen by iodometry (azide modification)
SNI 19-6964.7-2003 Seawater quality - Part 7: Test methods of nitrates (NO3-N) with cadmium reduction by spectrophotometry

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, Composition Water Nitrogen

GB/T 34500.5-2017 Chemical analysis methods for rare earth residue and waste water—Part 5：Determination of ammonia nitrogen content
GB/T 18916.8-2017 Norm of water intake—Part 8：Synthetic ammonia
GB/T 35150.2-2017 Technical requirements of dry process cement production complete equipment—Part 2: Burning system

RO-ASRO, Composition Water Nitrogen

STAS 6886-1963
STAS 8574-1992 Finished hides and fur finished hides. Moisture determination
SR 3011-1996 Limited hydration warmth cements and resistant to water damage with sulphates content
SR 3011/A1-2000 Limited hydration warmth cements and resistant to water damage with sulphates content
STAS SR ENV 196-4-1995 Methods of testing cement. Quantititive determination of constituents
STAS 5954/1-1986 FRUIT AND VEGETABLE PRODUCTS Samples mineralization for metals determina ti on
STAS 2213/3-1968
STAS 12665-1988 GLASS YARNS Determination of moisture content and combustible matter content
STAS 4757/2-1981 Finished products of pulp and paper in- dustry MOISTURE DETERMINATION OVEN-DRYING METHOD

GM North America, Composition Water Nitrogen

GM 9984514-1991 Universal Waterborne Basecoat Component of 9984170
GM 9984516-1991 Universal Waterborne Basecoat Component of 9984171

Professional Standard - Chemical Industry, Composition Water Nitrogen

HG/T 3820-2013 Methods of test for synthetic hydrotalcite
HG/T 3820-2006 Methods of test for Nano-synthetic hydrotalcite
HG/T 4859-2015 Analytical method of chemical composition for carbonyl sulfide hydrolyzed catalysts at room temperature

Professional Standard - Geology, Composition Water Nitrogen

DZ/T 0064.23-1993 Groundwater quality testing method Determination of iron by phenanthrene spectrophotometry
DZ/T 0064.23-2021 Analytical methods for groundwater quality - Part 23: Determination of iron content by phenanthroline spectrophotometric method
DZ/T 0064.57-2021 Analytical Methods of Groundwater Quality Part 57: Determination of Ammonia Nitrogen by Nessler's Reagent Spectrophotometry

Professional Standard - Aviation, Composition Water Nitrogen

HB 5297.25-2001 Methods of chemical analysis of titanium alloys - Determination of nitrogen content by steam distillation
HB 5220.48-1995 Superalloy Chemical Analysis Method Water Steam Distillation - Volumetric Method (or Absorptiometry) Determination of Nitrogen Content
HB 5220.48-2008 Methods for chemical analysis of superalloys. Part 48: Determination of nitrogen content by water vapour distillation-volumetric method( or photometric method)

农业农村部, Composition Water Nitrogen

NY/T 4162.1-2022 Technical Specifications for Prevention and Control of Nitrogen and Phosphorus Loss in Rice Fields Part 1: Water Control and Emission Reduction
NY/T 4163.3-2022 Technical Guidelines for Comprehensive Prevention and Control of Nitrogen and Phosphorus Loss in Rice Fields Part 3: Flood and Dry Crop Rotation

ES-AENOR, Composition Water Nitrogen

United States Navy, Composition Water Nitrogen

NAVY MIL-DTL-17901 C-2005 BEARING COMPONENTS, BONDED SYNTHETIC RUBBER, WATER LUBRICATED

IN-BIS, Composition Water Nitrogen

IS 2490 Pt.9-1977
IS 4016-1966
IS 13624-1993 Methods of sampling and analysis of water formed deposits. Guidelines

Standard Association of Australia （SAA）, Composition Water Nitrogen

AS 2300.1.2.2:1988 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of nitrogen - Nitrogen fractions from milk
AS 2350.2:1991 Methods of testing portland and blended cements - Chemical composition of portland cement

Fujian Provincial Standard of the People's Republic of China, Composition Water Nitrogen

DB35/T 1144-2011 Determination of inorganic nitrogen and active phosphate in seawater by flow chemical analysis

Beijing Provincial Standard of the People's Republic of China, Composition Water Nitrogen

DB11/T 1764.16-2021 Water Quotas Part 16: Chinese Proprietary Medicines
DB11/T 1764.8-2021 Water Ratings Part 8: Integrated Circuits

Professional Standard - Speciality, Composition Water Nitrogen

ZB T14001-1989 Quality classification of automobile water pump assembly

Tianjin Provincial Standard of the People's Republic of China, Composition Water Nitrogen

DB12/T 504-2014 Screening method for genetically modified ingredients in rice

US-FCR, Composition Water Nitrogen

FCR COE EP 1110-2-10-1994 HYDROLOGIC ENGINEERING ANALYSIS CONCEPTS FOR COST- SHARED FLOOD DAMAGE REDUCTION STUDIES
FCR FED MCD-22-1976 ANALYSIS OF CONSTRUCTION COST EXPERIENCE FOR WASTEWATER TREATMENT PLANTS

IT-UNI, Composition Water Nitrogen

UNI 7379-1974
UNI ISO 21437:2021 Pulps - Determination of carbohydrate composition

工业和信息化部, Composition Water Nitrogen

JB/T 13834-2020 Ultramagnetic separation water purification complete equipment
YS/T 1161.3-2016 Methods for analysis of pseudoboehmite Part 3: Determination of pore volume and specific surface area Nitrogen adsorption method
HG/T 5410-2018 Analysis method of chemical components of medium-temperature sulfur-tolerant hydrolysis catalysts

Professional Standard - Railway, Composition Water Nitrogen

TB/T 2059.5-1989 Analytical method for cooling water additives of railway diesel locomotive Determination of benzotriazole
TB/T 2544.3-1995 Quick Analysis Method for Corrosion Inhibitor in Cooling Water of Railway Diesel Locomotive Determination of Benzotriazole by UV Spectrophotometry

Professional Standard - Ocean, Composition Water Nitrogen

HY/T 0345-2022 Determination of seawater trace nitrite—Flow analysis,diazotization and spectrophotometric detection witha long path length flow cell
HY/T 0346-2022 Determination of seawater trace nitrate—Flow analysis,cadmium reduction,diazotization and spectrophotometric detection with a long path length flow cell
HY/T 173-2014 Technical specification for preparation and storage of reference materials for seawater component analysis

Defense Logistics Agency, Composition Water Nitrogen

DLA MIL-DTL-13791/1-2009 IGNITION DISTRIBUTOR ASSEMBLY, 6 CYL, RH SUBMERSIBLE
DLA MIL-DTL-13791/6-2009 IGNITION DISTRIBUTOR ASSEMBLY, L. H. 4 CYCLE SUBMERSIBLE
DLA MIL-DTL-13791 G-2009 DISTRIBUTOR, IGNITION SYSTEM: INTEGRAL COIL, WATERPROOF 24 VOLT
DLA MIL-DTL-13791/7-2009 IGNITION DISTRIBUTOR ASSEMBLY, HEAVY DUTY L. H. 4 CYCLE SUBMERSIBLE

SG-SPRING SG, Composition Water Nitrogen

SS EN 197-1-2008 Specification for Cement - Part 1: Composition, specifications and conformity criteria for common cements
SS EN 197-4-2008 Specification for Cement - Part 4: Composition, specifications and conformity criteria for low early strength blastfurnace cements

ES-UNE, Composition Water Nitrogen

UNE-EN 14216:2015 Cement - Composition, specifications and conformity criteria for very low heat special cements
UNE-EN 15743:2010+A1:2015 Supersulfated cement - Composition, specifications and conformity criteria
UNE-EN ISO 21068-3:2008 Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents (ISO 21068-3:2008) (Endorsed by AENOR in October of 2008.)

RU-GOST R, Composition Water Nitrogen

GOST R 54545-2011 Synthetic rubber. Determination of total and water soluble ash
GOST 25590-1983 Wool. Norms of residual non-wool components and moisture in conditionally cleon mass

API - American Petroleum Institute, Composition Water Nitrogen

API PUBL 4422-1986 Cost Model for Selected Technologies for Removal of Gasoline Components from Groundwater
API PUBL 4499-1989 Evaluation of Analytical Methods for Measuring Appendix IX Constituents in Groundwater

American National Standards Institute （ANSI), Composition Water Nitrogen

ANSI 8225-1995 Imaging Materials - Ammonia-Processed Diazo Photograghic Film - Specifications for Stability Revision and Redesignation of ANSI IT9.5-1992; ANSI/NAPM IT9.5-1996

CH-SNV, Composition Water Nitrogen

SNV 81120-1945

AT-ON, Composition Water Nitrogen

ONORM M 6290-1988 Analysis of sewage Sludge; digestion with aqua regia for the determination of acid soluble mineral components
ONORM ENV 196-4-1993 Methods of testing cement. Part 4: Quantitative determination of constituents

FI-SFS, Composition Water Nitrogen

SFS 5282-1987

HU-MSZT, Composition Water Nitrogen

国家市场监督管理总局、中国国家标准化管理委员会, Composition Water Nitrogen

GB/T 18916.39-2019 Norm of water intake—Part 39: Coal to synthetic natural gas

Professional Standard - Energy, Composition Water Nitrogen

NB/T 20007.6-2012 Stainless steel for pressurized water reactor nuclear power plants.Part 6:Controlled nitrogen content anstenitic stainless steel plate for Reactor Internal

National Metrological Technical Specifications of the People's Republic of China, Composition Water Nitrogen

JJF(烟草) 4.3-2010 Tobacco and Tobacco Products.Evaluation of Uncertainty in Measurement for Routine Chemical Ingredients Using Continuous Flow Method.Part 3:Total Nitrogen
JJF(烟草) 4.3-2010 Guidance for the Uncertainty Assessment of Routine Chemical Composition in the Determination of Tobacco and Tobacco Products by Continuous Flow Method Part 3: Total Nitrogen
JJF(烟草)4.3-2010 Guidance for the Uncertainty Assessment of Routine Chemical Composition in the Determination of Tobacco and Tobacco Products by Continuous Flow Method Part 3: Total Nitrogen
JJF 4.3-2010 Guidance for the Uncertainty Assessment of Routine Chemical Composition in the Determination of Tobacco and Tobacco Products by Continuous Flow Method Part 3: Total Nitrogen

Professional Standard - Textile, Composition Water Nitrogen

FZ/T 64012.1-2001 Hydroentangles nonwoven

Liaoning Provincial Standard of the People's Republic of China, Composition Water Nitrogen

DB21/T 1977-2012 Qualitative PCR detection method for transgenic Bt gene components in rice

Professional Standard - Building Materials, Composition Water Nitrogen

JC/T 658.2-2011 Glass fiber reinforced plastics water tanks.Part 2:Hand lay-up whole water tanks
JC/T 658.2-1997 Fiberglass reinforced plastics water tanks Part 2 hand lay-up molding integral type water-tanks

Professional Standard - Traffic, Composition Water Nitrogen

JTT 1124.1-2017 Geosynthetic waterproofing materials for road engineering - Part 1: Plastic waterstops
JT/T 1087.1-2016 Geosynthetics in highway engineering.Drainage materials.Part 1:Drainage geocomposite

交通运输部, Composition Water Nitrogen

JT/T 1124.1-2017 Geosynthetic waterproofing materials for highway engineering Part 1: Plastic waterstops