ZH
RU
ES

total nitrogen in seawater

total nitrogen in seawater, Total:338 items.

In the international standard classification, total nitrogen in seawater involves: Water quality, Milk and milk products, Animal feeding stuffs, Soil quality. Pedology, Fuels, Fertilizers, Geology. Meteorology. Hydrology, Radiation measurements, Radiation protection, Test conditions and procedures in general, Farming and forestry, Organic chemicals, General methods of tests and analysis for food products, Meat, meat products and other animal produce, Lubricants, industrial oils and related products, Shipbuilding and marine structures in general, Corrosion of metals, Vocabularies, Protection against fire, Environmental testing, Air quality, Fishing and fish breeding, Extraction and processing of petroleum and natural gas, Spices and condiments. Food additives, Petroleum products in general, Analytical chemistry, Pipeline components and pipelines, Leather technology, Natural gas, Construction materials, Cereals, pulses and derived products, Pesticides and other agrochemicals.

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

DB32/T 4541-2023 Sea water quality evaluation guide for total nitrogen and total phosphorus

American Society for Testing and Materials (ASTM), total nitrogen in seawater

ASTM D3590-11 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-02 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-17 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D8001-16e1 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D8001-16 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D3590-02(2006) Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-89(1994)e1 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D8083-16(2023) Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM D8083-16 Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM D2973-71(2004) Standard Test Method for Total Nitrogen in Peat Materials
ASTM D2973-10e1 Standard Test Method for Total Nitrogen in Peat Materials
ASTM D2973-71(1998) Standard Test Method for Total Nitrogen in Peat Materials
ASTM D2973-10 Standard Test Method for Total Nitrogen in Peat Materials
ASTM D2973-22 Standard Test Method for Total Nitrogen in Peat Materials
ASTM D2973-16 Standard Test Method for Total Nitrogen in Peat Materials
ASTM D1426-98 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-15(2021)e1 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-03 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-15 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-08 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D5176-20 Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D3228-22 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM UOP432-65T Total Nitrogen in Liquefied Petroleum Gases by Acid Extraction-Kjeldahl Procedure
ASTM D5176-91(2003) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-91(1995) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-08 Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D3875-08 Standard Test Method for Alkalinity in Brackish Water, Seawater, and Brines
ASTM D6501-09 Standard Test Method for Phosphonate in Brines
ASTM D5176-08(2015) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D3875-97 Standard Test Method for Alkalinity in Brackish Water, Seawater, and Brines
ASTM D3651-16(2021)e1 Standard Test Method for Barium in Brackish Water, Seawater, and Brines
ASTM D3651-16 Standard Test Method for Barium in Brackish Water, Seawater, and Brines
ASTM UOP740-79T Volatile Nitrogen Bases, Including Ammonia, in Solids and Aqueous Solutions
ASTM D3223-91 Standard Test Method for Total Mercury in Water
ASTM D3223-17 Standard Test Method for Total Mercury in Water
ASTM D3868-95(1999) Standard Test Method for Fluoride Ions in Brackish Water, Seawater, and Brines
ASTM D4458-09 Standard Test Method for Chloride Ions in Brackish Water, Seawater, and Brines
ASTM D3875-03 Standard Test Method for Alkalinity in Brackish Water, Seawater, and Brines
ASTM D3352-08 Standard Test Method for Strontium Ion in Brackish Water, Seawater, and Brines
ASTM D3875-15(2023) Standard Test Method for Alkalinity in Brackish Water, Seawater, and Brines
ASTM D3875-15 Standard Test Method for Alkalinity in Brackish Water, Seawater, and Brines
ASTM E258-67(1996)e1 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D3302-00 Standard Test Method for Total Moisture in Coal
ASTM D3302/D3302M-12 Standard Test Method for Total Moisture in Coal
ASTM D3302/D3302M-09 Standard Test Method for Total Moisture in Coal
ASTM D3302-91 Standard Test Method for Total Moisture in Coal
ASTM D3302/D3302M-19 Standard Test Method for Total Moisture in Coal
ASTM D3302/D3302M-22 Standard Test Method for Total Moisture in Coal
ASTM D3302/D3302M-17 Standard Test Method for Total Moisture in Coal
ASTM D3302/D3302M-22a Standard Test Method for Total Moisture in Coal
ASTM D3651-02 Standard Test Method for Barium in Brackish Water, Seawater, and Brines
ASTM D4130-99 Standard Test Method for Sulfate Ion in Brackish Water, Seawater, and Brines
ASTM D3651-07 Standard Test Method for Barium in Brackish Water, Seawater, and Brines
ASTM D3868-15(2023) Standard Test Method for Fluoride Ions in Brackish Water, Seawater, and Brines
ASTM D4458-15(2023) Standard Test Method for Chloride Ions in Brackish Water, Seawater, and Brines
ASTM D3868-15 Standard Test Method for Fluoride Ions in Brackish Water, Seawater, and Brines
ASTM D4130-15 Standard Test Method for Sulfate Ion in Brackish Water, Seawater, and Brines
ASTM D6016-06(2012) Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D3651-11 Standard Test Method for Barium in Brackish Water, Seawater, and Brines
ASTM D5475-93(1997) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
ASTM D4130-82(1998) Standard Test Method for Sulfate Ion in Brackish Water, Seawater, and Brines
ASTM D3223-95 Standard Test Method for Total Mercury in Water
ASTM D3223-02 Standard Test Method for Total Mercury in Water
ASTM D6238-98 Standard Test Method for Total Oxygen Demand in Water
ASTM D6238-98(2003) Standard Test Method for Total Oxygen Demand in Water
ASTM D3223-02(2007)e1 Standard Test Method for Total Mercury in Water
ASTM D3302/D3302M-10 Standard Test Method for Total Moisture in Coal
ASTM D3223-12 Standard Test Method for Total Mercury in Water
ASTM D6238-98(2017) Standard Test Method for Total Oxygen Demand in Water
ASTM D6238-98(2011) Standard Test Method for Total Oxygen Demand in Water
ASTM D6016-96 Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D6016-96(2001) Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D6016-06 Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D3228-20 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D3228-19 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D3228-08(2019) Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM E258-07 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method

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

T/QAS 071-2021 Determination of total nitrogen in brine Kjeldahl method
T/NAIA 044-2021 Urine Total Nitrogen Determination in Livestock Kjeldahl Method
T/CHES 15-2017 Determination of Total Nitrogen in Water Quality Gas Phase Molecular Absorption Spectrometry
T/GXAS 477-2023 Determination of total nitrogen content in sugarcane juice —sulphuric acid titrimetric method
T/GRM 046-2022 Determination of Mercury in Gas Field Water
T/CPCIF 0168-2021 Rapid detection kits for nitrite，nitrate and ammonia nitrogen in water

NL-NEN, total nitrogen in seawater

NEN 6642-1992 Water-Calculation of total nitrogen content
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
NEN 6482-1982 Water - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium
NEN 6481-1983 Water - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium

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

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

SE-SIS, total nitrogen in seawater

SIS SS 02 81 86-1985 Determination of total arsenic in water - Silver diethyldithiocarbamate spectrometric method
SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water
SIS 02 81 27-1974 Determ i nation of total phosphorous content of water

ZA-SANS, total nitrogen in seawater

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 5849:2008 Total water-soluble salts content of fines in aggregates

Association Francaise de Normalisation, total nitrogen in seawater

NF U42-147*NF EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrate
NF EN 15478:2009 Engrais - Détermination de l'azote total dans l'urée
NF U42-416*NF EN 15478:2009 Fertilizers - Determination of total nitrogen in urea.
NF M60-819:2010 Water quality - Measurement of gross alpha and gross beta activity in non-saline water - Thin source deposit method.
NF U42-503*NF EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
NF EN 15561:2009 Engrais - Dosage de l'azote total dans la cyanamide calcique nitratée
NF EN 15560:2009 Engrais - Dosage de l'azote total dans la cyanamide calcique exempte de nitrate
NF U42-146*NF EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free.
NF X34-117:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods.
NF T90-236*NF EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
NF EN ISO 20236:2021 Qualité de l'eau - Dosage du carbone organique total (COT), carbone organique dissous (COD), azote lié total (TNb) et azote lié dissous (DNb) après combustion catalytique oxydante à haute température
NF T90-392*NF EN ISO 10710:2013 Water quality - Growth inhibition test with the marine and brackish water macroalgae Ceramium tenuicorne
NF A05-669*NF EN 12473:2014 General principles of cathodic protection in seawater
NF T90-385:2001 Water quality - Method for measuring the EROD enzyme activity in freshwater and saltwater fish.
NF A05-672*NF EN 12496:2013 Galvanic anodes for cathodic protection in seawater and saline mud
NF T90-875*NF EN 17218:2019 Water quality - Guidance on sampling of mesozooplankton from marine and brackish water using mesh
NF M60-815:2008 Water quality - Measurement of gross alpha activity in non-saline water - Thick source method.
NF M60-816:2008 Water quality - Measurement of gross beta activity in non-saline water - Thick source method.

Indonesia Standards, total nitrogen in seawater

SNI 13-4721-1998 Methods for determination of total nitrogen content in soils
SNI 06-6323-2000 Determination of total nitrogen content in peat
SNI 19-6964.7-2003 Seawater quality - Part 7: Test methods of nitrates (NO3-N) with cadmium reduction by spectrophotometry
SNI ISO 9697:2009 Water quality - Measurement of gross beta activity in non-saline water - Thick source method
SNI 01-7222-2006 Floating net baskets made from wood for magnificating grouper fish in the sea
SNI ISO 9696:2009 Water quality - Measurement of gross alpha activity in non-saline water - Thick source method

British Standards Institution (BSI), total nitrogen in seawater

BS EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
BS ISO 10704:2010 Water quality. Measurement of gross alpha and gross beta activity in non-saline water. Thin source deposit method
BS ISO 10704:2009 Water quality - Measurement of gross alpha and gross beta activity in non-saline water - Thin source deposit method
BS EN 15750:2010 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS ISO 23697-2:2023 Water quality. Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Chromotropic acid colour reaction
DD CEN/TS 15561:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
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
DD CEN/TS 15560:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
21/30442087 DC BS EN 15560. Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
BS EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
BS EN 15561:2023 Inorganic fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
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 23695:2023 Water quality. Determination of ammonium nitrogen in water. Small-scale sealed tube method
BS DD CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
BS DD CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
BS EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
BS ISO 23697-1:2023 Water quality. Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Dimethylphenol colour reaction
21/30442090 DC BS EN 15561. Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN ISO 20236:2021 Water quality. Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN_b) and dissolved bound nitrogen (DN_b) after high temperature catalytic oxidative combustion
21/30396472 DC BS ISO 23695. Water quality. Determination of ammonium nitrogen in water. Small-scale sealed tube method
BS EN 12473:2000 General principles of cathodic protection in sea water
BS EN 12473:2014 General principles of cathodic protection in seawater
BS EN 17218:2019 Water quality. Guidance on sampling of mesozooplankton from marine and brackish water using mesh
BS EN 12496:2013 Galvanic anodes for cathodic protection in seawater and saline mud
BS ISO 9696:2007 Water quality - Measurement of gross alpha activity in non-saline water - Thick source method
BS ISO 9697:2008 Water quality - Measurement of gross beta activity in non-saline water - Thick source method
BS ISO 9697:2015 Water quality. Gross beta activity in non-saline water. Test method using thick source

European Committee for Standardization (CEN), total nitrogen in seawater

EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
PD CEN/TS 15750:2008 Fertilizers - Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
EN 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 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
EN 15561:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)
EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
EN ISO 9697:2017 Water quality - Gross beta activity in non-saline water - Test method using thick source
EN 12473:2000 General Principles of Cathodic Protection in Sea Water
EN 12473:2014 General principles of cathodic protection in seawater
prEN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)
EN ISO 10704:2015 Water quality - Measurement of gross alpha and gross beta activity in non-saline water - Thin source deposit method
EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates

CEN - European Committee for Standardization, total nitrogen in seawater

PD CEN/TS 15478:2006 Fertilizers - Determination of total nitrogen in urea
PD CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
PD CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
EN ISO 10704:2019 Water quality - Gross alpha and gross beta activity - Test method using thin source deposit
EN ISO 9697:2019 Water quality - Gross beta activity - Test method using thick source
PREN 17218-2018 Water quality - Guidance on sampling of mesozooplankton from marine and brackish water using mesh
EN 17218:2019 Water quality - Guidance on sampling of mesozooplankton from marine and brackish water using mesh

Danish Standards Foundation, total nitrogen in seawater

DS/EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
DS/EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
DS/EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
DS/EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
DS/ISO 10704:2010 Water quality - Measurement of gross alpha and gross beta activity in non-saline water - Thin source deposit method

Lithuanian Standards Office , total nitrogen in seawater

LST EN 15478-2009 Fertilizers - Determination of total nitrogen in urea
LST EN 15750-2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
LST EN 15561-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
LST EN 15560-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free

German Institute for Standardization, total nitrogen in seawater

DIN EN 15478:2009 Fertilizers - Determination of total nitrogen in urea; English version of DIN EN 15478:2009-04
DIN EN 15478:2009-04 Fertilizers - Determination of total nitrogen in urea; German version EN 15478:2009
DIN EN 15750:2010-02 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009
DIN CEN/TS 15750:2008 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version CEN/TS 15750:2008
DIN EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; English version of DIN EN 15560:2009-06
DIN 81249-2:2013-05 Corrosion of metals in sea water and sea atmosphere - Part 2: Free corrosion in sea water; Text in German and English
DIN 81249-3:2012-09 Corrosion of metals in sea water and sea atmosphere - Part 3: Galvanic corrosion in sea water; Text in German and English
DIN EN 15561:2021 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German and English version prEN 15561:2021
DIN EN 15561:2021-12 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German and English version prEN 15561:2021 / Note: Date of issue 2021-11-05*Intended as replacement for DIN EN 15561 (2009-06).
DIN EN 15561:2009-06 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version EN 15561:2009 / Note: To be replaced by DIN EN 15561 (2021-12).
DIN EN 15560:2021 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German and English version prEN 15560:2021
DIN EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; English version of DIN EN 15561:2009-06
DIN CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version CEN/TS 15561:2007
DIN CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German version CEN/TS 15560:2007
DIN 81249-4:1997 Corrosion of metals in sea water and sea atmosphere - Part 4: Corrosion in sea atmosphere
DIN 81249-3:1997 Corrosion of metals in sea water and sea atmosphere - Part 3: Galvanic corrosion in sea water
DIN 81249-4:2012-09 Corrosion of metals in sea water and sea atmosphere - Part 4: Corrosion in sea atmosphere; Text in German and English
DIN EN ISO 10704:2015 Water quality - Measurement of gross alpha and gross beta activity in non-saline water - Thin source deposit method (ISO 10704:2009); German version EN ISO 10704:2015
DIN 81249-2:1997 Corrosion of metals in sea water and sea atmosphere - Part 2: Free corrosion in sea water
DIN EN 15560:2009-06 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German version EN 15560:2009 / Note: To be replaced by DIN EN 15560 (2021-12).
DIN 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 EN 12473:2014 General principles of cathodic protection in seawater; German version EN 12473:2014
DIN EN 12473:2000 General principles of cathodic protection in sea water; German version EN 12473:2000
DIN EN ISO 20236:2023 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN) and dissolved bound nitrogen (DN) after high temperature catalytic oxidative combustion (ISO 20236:2018)
DIN EN 15560:2023-10 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German version EN 15560:2023
DIN 38402-16:1987 German standard methods for the examination of water, waste water and sludge; general information (group A); sampling of sea water (A 16)
DIN 81249-3:2012 Corrosion of metals in sea water and sea atmosphere - Part 3: Galvanic corrosion in sea water; Text in German and English
DIN 81249-2:2013 Corrosion of metals in sea water and sea atmosphere - Part 2: Free corrosion in sea water; Text in German and English
DIN EN 17218:2020-09 Water quality - Guidance on sampling of mesozooplankton from marine and brackish water using mesh; German version EN 17218:2019
DIN EN 15561:2023-10 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version EN 15561:2023
DIN EN 17218:2020 Water quality - Guidance on sampling of mesozooplankton from marine and brackish water using mesh
DIN EN ISO 20236:2023-10 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN<(Index)b>) and dissolved bound nitrogen (DN<(Index)b>) after high temperature catalytic oxidative combustion (ISO/DIS 2023...
DIN EN 15560:2021-12 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German and English version prEN 15560:2021 / Note: Date of issue 2021-11-05*Intended as replacement for DIN EN 15560 (2009-06).

AENOR, total nitrogen in seawater

UNE-EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
UNE-EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
UNE-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
UNE 22163:1992 DETERMINATION OF MOISTURE IN SEPIOLITE.

RU-GOST R, total nitrogen in seawater

GOST EN 15478-2013 Fertilizers. Determination of total nitrogen in urea
GOST EN 15750-2016 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
GOST 30181.3-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in fertilizers with nitrate nitrogen
GOST EN 15560-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
GOST EN 15561-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
GOST 32527-2013 Mineral nitrogen-containing substances. Determination in air and water
GOST 30181.1-1994 Mineral fertilizers. Method for determination of total overall mass fraction of nitrogen in compound fertilizers (in ammonium and amide forms, with deammoniation)
GOST 30181.2-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in single - component fertlizers (in ammonium and amide forms, no deammoniation)

Professional Standard - Ocean, total nitrogen in seawater

HY/T 263-2018 Determination of dissolved nitrous oxide in seawater—Headspace equilibrium gas chromatography method
HY/T 191-2015 Determination of Iron for cooling seawater
HY/T 0345-2022 Determination of seawater trace nitrite—Flow analysis,diazotization and spectrophotometric detection witha long path length flow cell
HY/T 242-2018 Determination of halogenated organic compounds in drain of seawater desalination—Gas chromatography
HY/T 197-2015 Determination of total alkalinity in seawater on potentiometric titration using an open-cell titration
HY/T 176-2014 Determination of iron bacteria in seawater.MPN method
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 169-2013 Test method for bromide ion in seawater and brine.Volumetric analysis
HY/T 0283-2020 Determination of cadmium in seawater—Atomic fluorescence spectrometry
HY/T 196-2015 Determination of dissolved inorganic carbon in sea water using non-dispersive infrared absorption
HY/T 177-2014 Determination of sulfate-reducing bacteria in seawater.MPN method

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

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

International Organization for Standardization (ISO), total nitrogen in seawater

ISO 10704:2009 Water quality - Measurement of gross alpha and gross beta activity in non-saline water - Thin source deposit method
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 21793:2020 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), dissolved bound nitrogen (DNb), total bound phosphorus (TPb) and dissolved boun
ISO 23695:2023 Water quality — Determination of ammonium nitrogen in water — Small-scale sealed tube method
ISO 14255:1998 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
ISO 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 20236:2018 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
ISO/CD 20236 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN b) and dissolved bound nitrogen (DN b) after high temperature catalytic oxidative combustion
ISO/DIS 20236:2023 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN b) and dissolved bound nitrogen (DN b) after high temperature catalytic oxidative combustion
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 9697:1992 Water quality; measurement of gross beta activity in non-saline water
ISO 12473:2006 General principles of cathodic protection in sea water
ISO 12473:2017 General principles of cathodic protection in seawater
ISO 9696:2007 Water quality - Measurement of gross alpha activity in non-saline water - Thick source method
ISO 9697:2008 Water quality - Measurement of gross beta activity in non-saline water - Thick source method
ISO 9696:1992 Water quality; measurement of gross alpha activity in non-saline water; thick source method

NO-SN, total nitrogen in seawater

NS 4865-1983 Air quality - Determination of the sum of nitrite- and nitrate-nitrogen in precipitation
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

Professional Standard - Agriculture, total nitrogen in seawater

NY/T 1977-2010 Water-suluble fertilizers-Determination of total nitrogen, phosphorus and potassium content
GB/T 42955-2023 Determination of total nitrogen content in fertilizers Dumas combustion method
GB 10511-1989 Determination of total nitrogen content in nitrophosphate fertilizers Titration after distillation
SC/T 9444-2023 Determination of ammonia nitrogen in aquaculture water by gas phase molecular absorption spectrometry

TR-TSE, total nitrogen in seawater

TS 974-1971 DETERMINATION OF NITROGEN, TOTAL SULPHUR CHLORINE AND PHOSPHORUS ?N COKE
TS 701-1969 DETERMINATION OF TOTAL MOISTURE ?N COKE

Korean Agency for Technology and Standards (KATS), total nitrogen in seawater

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 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 V 0512-1986(2016) Sea water temperature for designing marine heat exchangers
KS I ISO 9696-2007(2017) Water quality－Measurement of gross alpha activity in non-saline water－Thick source method
KS I ISO 9696:2007 Water quality－Measurement of gross alpha activity in non-saline water－Thick source method
KS V 0512-1986(2021) Sea water temperature for designing marine heat exchangers
KS I ISO 9697:2007 Water quality－Measurement of gross beta activity in non-saline water

Professional Standard - Urban Construction, total nitrogen in seawater

CJ/T 77-1999 Municipal sewage.Determination of total nitrogen.Distillation and titration method
CJ 26.27-1991 Municipal sewage water quality inspection method standard Determination of total nitrogen Titration method after distillation

Professional Standard - Environmental Protection, total nitrogen in seawater

HJ/T 199-2005 Water quality Determination of tota-nitrogen Gas-phase molecular absorption spectrometry
HJ 537-2009 Water quality.Determination of ammonia nitrogen.Distillation-neutralization titration
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 550-2009 Water quality.Determination of cobalt.5-CI-PADAB spectrophotometry

VN-TCVN, total nitrogen in seawater

TCVN 7373-2004 Soils quality.Index values of total nitrogen content in the soils of Vietnam
TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
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 6053-2011 Water quality.Measurement of gross alpha activity in non-saline water.Thick source method
TCVN 6219-2011 Water quality.Measurement of gross beta activity in non-saline water.Thick source method

Professional Standard - Commodity Inspection, total nitrogen in seawater

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

FI-SFS, total nitrogen in seawater

SFS 3029 E-1976 In the event of any differences in interpretation of this standard the Finnish version shall take precedence over this translation

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

GB/T 17767.1-1999 Determination of total nitrogen content for organic-inorganic compound fertilizers
GB/T 8572-2001 Determination of total nitrogen content for compound fertilizers-Titrimetric method after distillation
GB/T 10511-1989 The determination of total nitrogen content for nitrophosphate titrimetric method after distillation
GB/T 10511-2008 Determination of tatal nitrogen content for nitrophosphate.Titrimetric method after distillation
GB/T 8572-2010 Determination of total nitrogen content for compound fertilizers titrimetric method after distillation
GB 9170-1988 Determination method of total nitrogen content in lubricating oil and fuel oil (improved Kjeldahl method)
GB/T 9170-1988 Lubricating oils and fuel oils--Determination of total nitrogen--Modified kjeldahl method
GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photometric method
GB/T 42256-2022 Determination of ruthenium-106 in seawater─Gamma spectrometry
GB/T 21318-2009 Determination of total nirogen content in animal feeding stuffs by combustion according to the Dumas principle and calculation o the crude protein content
GB/T 7630-1987 The tribromoarsenazo photometric method for the determination of rare earth oxide content in rice and wheat
GB 7630-1987 The tribromoarsenazo photometric method for the determination of rare earth oxide content in rice and wheat

BE-NBN, total nitrogen in seawater

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

IN-BIS, total nitrogen in seawater

IS 4256-1967

YU-JUS, total nitrogen in seawater

JUS H.G8.298-1987 Reagents. Oxaiic acid dihydrate. Determination of total nitrogen content. Colorimetric metbod
JUS H.G8.158-1984 Reagents. Sodium carbonate anhydrous and sodium carbonate decahydrate. Determination of total ni-trogen contont. Colorimetric method
JUS H.B8.162-1988 Fertillzets. Determination of water content in fertilizers vrith nitrogen component trom carbamide. Gravimetric metbo?

Guangdong Provincial Standard of the People's Republic of China, total nitrogen in seawater

DB44/T 317-2006 Determination of the total volatile basic nitrogen in seafood

Professional Standard - Aquaculture, total nitrogen in seawater

SC/T 3032-2007 Determination of the total volatile basic nitrogen in fishery products

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

DB41/T 1704-2018 Determination of total nitrogen content in compound fertilizers Dumas combustion method

CZ-CSN, total nitrogen in seawater

CSN 83 0540 Cast.13-1984 Chemical and physical analysis of waste water Determination of organic and total nitrogen
CSN 58 0703-7-1999 Testing methods of dehydrated products and seasonings - Part 7: Determinaton of total nitrogen
CSN 44 1384-1978 Determination of total moisture content in coke

Standard Association of Australia （SAA）, total nitrogen in seawater

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

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

DB37/T 2735-2015 Determination of ammonium sulfate content in dry powder fire extinguishing agent Total nitrogen content method

未注明发布机构, total nitrogen in seawater

BS EN ISO 20236:2021(2022) Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion

ES-UNE, total nitrogen in seawater

UNE-EN ISO 20236:2022 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)
UNE-EN 17218:2020 Water quality - Guidance on sampling of mesozooplankton from marine and brackish water using mesh

United States Navy, total nitrogen in seawater

NAVY QPL-32150-QPD-2011 Static Automatic Bus Transfer Switch (SABT) on Surface and Submarine Naval Vessels
NAVY MIL-PRF-32150 B-2013 STATIC AUTOMATIC BUS TRANSFER (SABT) SWITCH ON SURFACE AND SUBMARINE NAVAL VESSELS
NAVY QPL-32150-1 NOTICE 2-2008 Static Automatic Bus Transfer Switch (SABT) on Surface and Submarine Naval Vessels

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

DB21/T 2368-2014 Enzyme Substrate Method for Rapid Determination of Total Coliforms and Fecal Coliforms in Seawater

PL-PKN, total nitrogen in seawater

PN Z04092-05-1990 Air purity protection Tests for nitric acid and nitrogen oxides Determination of nitrogen oxide, dioxide and total nitrogen oxides in waste gases (emission)
PN C04642-04-1991 Water and waste water. Tests of pollutants in atmospheric precipitation. Determination of ammonium nitrogen by colorimetric method

Japanese Industrial Standards Committee (JISC), total nitrogen in seawater

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

US-FCR, total nitrogen in seawater

FCR COE CERC-94-2 FINAL REPORT-1994 STORM EVOLUTION OF DIRECTIONAL SEAS IN SHALLOW WATER

Professional Standard - Chemical Industry, total nitrogen in seawater

HG/T 3519-2023 Determination of benzotriazole in industrial circulating cooling water

ESDU - Engineering Sciences Data Unit, total nitrogen in seawater

ESDU 03004-2003 Fouling in cooling systems using seawater.

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, total nitrogen in seawater

GB/T 35190-2017 Determination of 131I in sea water—β counting method

AT-ON, total nitrogen in seawater

OENORM EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)

Professional Standard - Coal, total nitrogen in seawater

MT/T 742.1-1997 Determination of total chrominum in mine water
MT/T 743.1-1997 Determination of total phosphorus in mine water
MT/T 742.1-2011 Determination of total chrominum in mine water
MT/T 743.1-2011 Determination of total phosphorus in mine water

API - American Petroleum Institute, total nitrogen in seawater

API PUBL 4633-1995 Barium in Produced Water: Fate and Effects in the Marine Environment
API REPORT 83-48-1985 Fatigue of Selected High Strength Steels in Sea Water
API REPORT 85-48-1987 Fatigue of Selected High Strength Steels in Sea Water

Professional Standard - Aviation, total nitrogen in seawater

HB 5297.17-1984 Determination of Nitrogen in Titanium and Titanium Alloys by Steam Distillation

RO-ASRO, total nitrogen in seawater

STAS 12200-1985 SLUDGES RESULTED FROM= SURFACE WATERS TREATMENT AND WASTE WATERS PURIFI- CATION Nitrogen content determination

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

DB53/T 624-2014 Determination of Nitrate Nitrogen and Nitrite Nitrogen in Coking Wastewater by Dairyler's Alloy Reduction-Neutralization Titration

KR-KS, total nitrogen in seawater

KS I 3202-2023 Testing methods for total organic carbon in highly purified water

US-CFR-file, total nitrogen in seawater

CFR 33-148.5-2013 Navigation and navigable waters. Part148:Deepwater ports: general. Section148.5:How are terms used in this subchapter defined?

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

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