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Total Nitrogen Total Phosphorus Total Potassium

Total Nitrogen Total Phosphorus Total Potassium, Total:342 items.

In the international standard classification, Total Nitrogen Total Phosphorus Total Potassium involves: Fertilizers, Water quality, Spices and condiments. Food additives, Soil quality. Pedology, Fuels, Inorganic chemicals, Rubber, Surface treatment and coating, Milk and milk products, Vocabularies, Meat, meat products and other animal produce, Analytical chemistry, Wastes, Animal feeding stuffs, Coals, Edible oils and fats. Oilseeds, Products of the chemical industry, Food products in general, Air quality, ENVIRONMENT. HEALTH PROTECTION. SAFETY, Non-metalliferous minerals, Sugar. Sugar products. Starch, Ferrous metals, External water conveyance systems, Test conditions and procedures in general, Photography, Farming and forestry.

Professional Standard - Agriculture, Total Nitrogen Total Phosphorus Total Potassium

NY/T 1977-2010 Water-suluble fertilizers-Determination of total nitrogen, phosphorus and potassium content
NY/T 82.17-1988 Determination of total phosphorus
GB 10511-1989 Determination of total nitrogen content in nitrophosphate fertilizers Titration after distillation
NY/T 2542-2014 Fertilizers.Determination of total nitrogen content
SL/T 788.1-2019 Part 1: Determination of total nitrogen in water quality
GB 8572-1988 Determination of total nitrogen content in compound fertilizer
NY 146.17-1988 Determination method for total phosphorus in fruit juice
NY/T 30-1986 Determination of rare earth oxide content in soil.Chlorophosphonazo-p-hippuric acid photometric method
GB 6260-1986 Determination of Total Oxidized Rare Earth in Soil Spectrophotometric Method for Azochlorophosphorus Hippurate
GB 609-1988 General method for the determination of total nitrogen content of chemical reagents
水和废水监测分析方法 3.3.7-2003 Part Three Comprehensive Indicators and Inorganic Pollutants Chapter Three Comprehensive Indicators of Nutrients and Organic Pollution Seven Phosphorus (Total Phosphorus Soluble Phosphate and Soluble Total Phosphorus)
GB/T 42955-2023 Determination of total nitrogen content in fertilizers Dumas combustion method

National Metrological Verification Regulations of the People's Republic of China, Total Nitrogen Total Phosphorus Total Potassium

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

Jiangsu Provincial Standard of the People's Republic of China, Total Nitrogen Total Phosphorus Total Potassium

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

RU-GOST R, Total Nitrogen Total Phosphorus Total Potassium

GOST R 53069-2008 Food additives. Potassium phosphates E340. General specifications
GOST 26261-1984 Soils. Methods for determining total phosphorus and total potassium
GOST 26718-1985 Organic fertilizers. Method for determination of total potassium
GOST 26715-1985 Organic fertilizers. Methods for determination of total nitrogen
GOST 9794-1974 Meat products. Methods for the determination of total phosphorus contents
GOST 26717-1985 Organic fertilizers. Methods for determination of total phosphorus
GOST 10671.4-2016 Reagents. Methods for determination of total nitrogen impurity
GOST EN 15478-2013 Fertilizers. Determination of total nitrogen in urea
GOST 26107-1984 Soils. Methods for determination of total nitrogen
GOST 30181.4-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers and nitrale fertilizers in ammonium and nitrate forms (Deward Method)
GOST 9794-2015 Meat products. Methods for the determination of total phosphorus content
GOST R 51473-1999 Milk. Spectrometric method for determination of total phosphorus content
GOST 31584-2012 Milk. Spectrophotometric method for determination of total phosphorus content
GOST 31980-2012 Milk. Spectrometric method for determination of total phosphorus content
GOST 28902-1991 Animal feeding stuffs. Determination of total phosphorus content. Spectrophotometric method

International Organization for Standardization (ISO), Total Nitrogen Total Phosphorus Total Potassium

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 3099:1974 Oilseed residues — Determination of total nitrogen content
ISO 11261:1995 Soil quality - Determination of total nitrogen - Modified Kjeldahl method
ISO 23776:2021 Meat and meat products - Determination of total phosphorous content
ISO 6676:1981 Acid-grade fluorspar — Determination of total phosphorus content — Molybdophosphate photometric method
ISO 5315:1984 Fertilizers; Determination of total nitrogen content; Titrimetric method after distillation
ISO 20620:2021 Fertilizers and soil conditioners - Determination of total nitrogen by combustion
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 2294:1974 Meat and meat products; Determination of total phosphorus content (Reference method)
ISO 13730:1996 Meat and meat products - Determination of total phosphorus content - Spectrometric method
ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen
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 4313:1976 Washing powders; Determination of total phosphorus(V) oxide content; Quinoline phosphomolybdate gravimetric method
ISO 9438:1993 Metallurgical-grade fluorspar; determination of total phosphorus content; reduced-molybdophosphate spectrometric method
ISO 9874:2006 Milk - Determination of total phosphorus content - Method using molecular absorption spectrometry
ISO 6491:1980 Animal feeding stuffs; Determination of total phosphorus content; Spectrophotometric method
ISO 9874:2006 | IDF 42:2006 Milk — Determination of total phosphorus content — Method using molecular absorption spectrometry
ISO 9874:2006|IDF 42:2006 Determination of total phosphorus content in milk by molecular absorption spectrometry

YU-JUS, Total Nitrogen Total Phosphorus Total Potassium

JUS H.G8.457-1991 Reagents. Potassium sulpbate. Determination of total nltrogen content. Colorlmetrlc metho?
JUS H.G8.435-1990 Reaqents. Potassium iodide. Determination of total nitroaen content. Colorimetric method
JUS H.G8.104-1984 Reagents. Potassium chloride. Determination of total nitrogen content. Colorimetric method
JUS H.G8.489-1991 Reagents. Potassium permanganate. Determination of total nitrogen content. Colorimetric method
JUS H.G8.514-1991 Reagents. Potassium hydroxide. Determination of total nitrogen content. Colorimetric method
JUS H.B8.288-1983 Fertilizers. Determination of content total-nitrogen. Volumetric method
JUS H.G8.083-1983 Reagents. Sodium chloride. Determination of total nitrogen content. Colorimetric method
JUS H.G8.055-1983 Reagents. Hydrogen peroxide. Determination of total nitrogen content. Colorimetric method
JUS H.G8.290-1987 Reagents. Copper(ll) oxide. Determination of total nitrogen content. Colorimetric method
JUS H.G8.415-1991 Reagents. So?ium hydroxide. Determination of total nitrogen content. Colorimetric method
JUS H.G8.343-1988 Reagents. Zine chloride. Determination of total nitrogen content. Colorinetcic metbod
JUS E.Z8.016-1993 Soups,broaths,sauces and seasonings - Determination of total nitrogen content
JUS H.G8.447-1990 Reagents. Zine sulphate heptahydrate. Determination of total nitrogen content. Colorimetric method
JUS H.G8.298-1987 Reagents. Oxaiic acid dihydrate. Determination of total nitrogen content. Colorimetric metbod
JUS H.G8.261-1987 Reagents. Barium chloride dihydrate. Determination of total nitrogen content. Colorimetric method

TR-TSE, Total Nitrogen Total Phosphorus Total Potassium

TS 974-1971 DETERMINATION OF NITROGEN, TOTAL SULPHUR CHLORINE AND PHOSPHORUS ?N COKE
TS 2928-1978 PHOSPHORIC ACID FOR INDUSTRIAL USE (INCLUDING FOODSTUFFS) — DETERMINATION OF TOTAL PHOSPHORUS (V) OXIDE CONTENT — QUINOLINE PHOSPHOMOLYBDATE GRAVIMETRIC METHOD

American Society for Testing and Materials (ASTM), Total Nitrogen Total Phosphorus Total Potassium

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 D3590-11 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 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 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 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 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

European Committee for Standardization (CEN), Total Nitrogen Total Phosphorus Total Potassium

EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
EN 14672:2005 Characterization of sludges - Determination of total phosphorus
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 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
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 13716:2001 Surface active agents - Determination of total base nitrogen - Potentiometric titration
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

HU-MSZT, Total Nitrogen Total Phosphorus Total Potassium

Japanese Industrial Standards Committee (JISC), Total Nitrogen Total Phosphorus Total Potassium

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

German Institute for Standardization, Total Nitrogen Total Phosphorus Total Potassium

DIN 51732:2014 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
DIN 51732:2007 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
DIN EN 15750:2010 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 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 14672:2005-10 Characterization of sludges - Determination of total phosphorus; German version EN 14672:2005
DIN EN 14672:2005 Characterization of sludges - Determination of total phosphorus; English version of DIN EN 14672
DIN EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; English version of DIN EN 15560:2009-06
DIN ISO 11261:1997 Soil quality - Determination of total nitrogen - Modified Kjeldahl method (ISO 11261:1995)
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 EN 15560:2021 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German and English version prEN 15560:2021
DIN EN 13716:2003-05 Surface active agents - Determination of total base nitrogen - Potentiometric titration; German version EN 13716:2001
DIN EN ISO 16948:2015-09 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015); German version EN ISO 16948:2015
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 13716:2003 Surface active agents - Determination of total base nitrogen - Potentiometric titration; German version EN 13716:2001
DIN EN 15561:2021 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German and English version prEN 15561:2021
DIN EN 15561:2021-12 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German and English version prEN 15561:2021 / Note: Date of issue 2021-11-05*Intended as replacement for DIN EN 15561 (2009-06).
DIN EN 15561:2009-06 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version EN 15561:2009 / Note: To be replaced by DIN EN 15561 (2021-12).
DIN 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 10324:1990-12 Determination of the total phosphorus content of cheese and processed cheese; spectrometric method

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Total Nitrogen Total Phosphorus Total Potassium

GB/T 10209.1-2001 Determination of total nitrogen content for monoammonium phosphate and diammonium phosphate(Titrimetric method after distillation)
GB/T 10209.1-2008 Determination of monoammonium phosphate and diammonium phosphate.Part 1:Total nitrogen content
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 6913.3-1986 Determination of Phosphate Total Phosphate
GB 6913.2-1986 Determination of Phosphate Total Inorganic Phosphate
GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photometric method
GB/T 9695.4-1988 Meat and meat products--Method for determination of total phosphorus
GB/T 9695.4-2009 Meat and meat products.Determination of total phosphorus
GB/T 9823-1988 Method for determination of total nitrogen content in oilseed residues
GB/T 2441.1-2001 Determination of urea-Determination of total nitrogen content
GB/T 609-1988 Chemical reagent--General method for the determination of total nitrogen
GB/T 609-2006 Chemical reagent General method for the determination of total nitrogen
GB/T 609-2018 Chemical reagent.General method for the determination of total nitrogen
GB/T 6437-2002 Determination of phosphorus in feed--Spectphotometry
GB/T 22427.11-2008 Starches and derived products.Determination of total phosphorus content
GB/T 17767.3-1999 Determination of total potassium content for organic-inorganic compound fertilizer
GB/T 2441.1-2008 Determination of urea.Part 1:Total nitrogen content
GB/T 11893-1989 Water quality--Determination of total phosphorus--Ammonium molybdate spectrophotometric method
GB/T 12092-1989 Method for determination of total phosphorus content in starches and derived products
GB/T 23835.12-2009 Lithium perchlorate anhydrous.Part 12:Determination of total nitrogen content
GB/T 17767.1-1999 Determination of total nitrogen content for organic-inorganic compound fertilizers
GB/T 41965-2022 Photography—Processing waste—Determination of total amino nitrogen(microdiffusion Kjeldahl method)
GB/T 17767.2-1999 Determination of total phosphorus content for organic-inorganic compound fertilizer
GB/T 9823-2008 Inspection of grain and oils.Determination of total nitrogen content in plant oilseeds residues
GB/T 6913.3-1986 Methods for analysis of water for boiler and for cooling--The determination of phosphates--Total phosphate
GB/T 9984.2-2004 Sodium tripolyphosphate for industrial use-Determination of total phosphorus(v)oxide content-Quinoline phosphomolybdate gravimetric method
GB/T 9984.2-1988 Sodium tripolyphosphate for industrial use--Determination of total phosphorus pentoxide content--Quinoline phosphomolybdate qravimetric method

CU-NC, Total Nitrogen Total Phosphorus Total Potassium

NC 28-08-1987 Fertilxzers. Mixed, Granulated and Complex Fertilizers. Determination of Total Nitrogen, Assimilable Phosphorus and Potassium by the Weighing Method

CZ-CSN, Total Nitrogen Total Phosphorus Total Potassium

CSN 68 4124-1980 Determination of small mounts of total nitrogen
CSN 65 1069-1981 Determination of total hosphorus pentoxide
CSN ISO 6676:1992 Acid-grade fluorspar - Determination of total phosphorus content - Molybdophosphate photometric method
CSN 65 4836-1983 Minerál fertilizers Methode for determination of total nitrogen content
CSN 65 2101-1985 Potassium hydroxide technical. Determination of potassium hydroxide content. Total alkalinity and potassium carbonate content. Titrimetrical method
CSN ISO 9438:1992 Metallurgical-grade fluorspar - Determination of total phosphorus content - Reduced molybdophosphate spectrometric method
CSN 46 7092-11-1998 Testing methods for feeding stuffs - Part 11: Determination of total phosphorus content

NL-NEN, Total Nitrogen Total Phosphorus Total Potassium

NEN 6642-1992 Water-Calculation of total nitrogen content
NEN 6662-1985 Sludge - Determination of total phosphorus content
NEN 2846-1984 Fruit juices - Determination of total phosphorus content - Gravimetric method
NEN 6395-1992 Fruit lemonades - Determination of total phosphorus content - Spectrometric method

Association of Official Analytical Chemists (AOAC), Total Nitrogen Total Phosphorus Total Potassium

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

VN-TCVN, Total Nitrogen Total Phosphorus Total Potassium

TCVN 4053-1985 Soil.Method for the determination of total potassium
TCVN 5265-1990 Bee products.Determination of total nitrogen content
TCVN 6498-1999 Soil quality.Determination of total nitrogen.Modifierd Kejldahl method
TCVN 7255-2003 Tobacco and tobacco products.Determination of total potassium content
TCVN 7375-2004 Soils quality.Index values of total potassium content in the soils of Vietnam
TCVN 7252-2003 Tobacco and tobacco products.Determination of total nitrogen content
TCVN 7254-2003 Tobacco and tobacco products.Determination of total phosphorus content
TCVN 7373-2004 Soils quality.Index values of total nitrogen content in the soils of Vietnam
TCVN 7374-2004 Soils quality.Index values of total phosphorus content in the soils of Vietnam
TCVN 7141-2002 Meat and meat products.Determination of total phosphorus content.Spectrometric method
TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
TCVN 6645-2000 Soil quality.Determination of total nitrogen content by dry combustion ("elemental analysis")
TCVN 5489-1991 Washing powders.Determination of total phosphorus (V) oxide content.Quinoline phosphomolybdate gravimetric method

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

GB/T 40723-2021 Rubber—Determination the contents of total sulfur and total nitrogen — Automatic analyser method
GB/T 6437-2018 Determination of phosphorus in feeds—Spectrophotometry

Professional Standard - Commodity Inspection, Total Nitrogen Total Phosphorus Total Potassium

SN/T 3793-2014 Determination of total phosphorus, potassium content in compound fertilizers.X-ray fluorescence spectrometry
SN/T 3808-2014 Determination of total phosphorus content in diammonium phosphate.X-ray fluorescence spectrometry
SN/T 3097-2012 Determination of total nitrogen in fertelezers.Combustion

RO-ASRO, Total Nitrogen Total Phosphorus Total Potassium

SR 8379-9-1997 Superfosphate - Total phosphore content determination
STAS 6182/38-1975 WINE Determination of to- tal phosphorus
STAS 8379/9-1981 SUPERPHOSPHATE Determination of total phosphon content
STAS SR 4895-5-1997 Tobacco and tobacco products. Determination of total nitrogen content
STAS 11624/4-1983 PHOSPHATING SOLUTIONS Total and free acidity determination
SR ISO 5315:1984 Fertilizers. Determination of totai nitrogen content.Titrimetric method after distilation
STAS 9952/7-1990 Milk and milk products. Phosphor total content determination of cheese
STAS 9029-1986 DRESSED LEATHERS Determination of total nitrogen and hide snbstance

SE-SIS, Total Nitrogen Total Phosphorus Total Potassium

SIS SS 02 81 02-1992 Total phosphorous in sewage water — Spectrometric method
SIS SS 02 81 86-1985 Determination of total arsenic in water - Silver diethyldithiocarbamate spectrometric method
SIS 02 81 27-1974 Determ i nation of total phosphorous content of water
SIS SS 02 81 27-1984 Determination of total phosphorous in water - Digestion with peroxodisulphate

Association Francaise de Normalisation, Total Nitrogen Total Phosphorus Total Potassium

NF EN 14672:2005 Caractérisation des boues - Dosage du phosphore total
NF V04-211:1971 MILK. DETERMINATION OF TOTAL NITROGEN CONTENT. (KJELDAHL METHOD).
NF EN 15478:2009 Engrais - Détermination de l'azote total dans l'urée
NF U42-147*NF EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrate
NF U42-416*NF EN 15478:2009 Fertilizers - Determination of total nitrogen in urea.
NF V04-406:1992 Meat and meat products. Determination of total phosphorus content.
NF ISO 20620:2022 Engrais et amendements - Détermination de l'azote total par combustion
NF T73-702:1977 Washing powders. Determination of total phosphorus (V)oxide content.quinoline phosphomolybdate gravimetric method.
NF A06-555:2010 Steel - Determination of nitrogen content - Spectrophotometric method.
NF U42-151:1984 Fertilizers. Determination of total nitrogen content. Titrimetric method after distillation.
NF EN 15561:2009 Engrais - Dosage de l'azote total dans la cyanamide calcique nitratée
NF X33-024*NF EN 14672:2005 Characterization of sludges - Determination of total phosphorus
NF X31-111*NF ISO 11261:1995 Soil quality. Determination of total nitrogen. Modified kjeldahl method.
NF X34-117*NF EN ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen
NF U42-504*NF ISO 20620:2022 Fertilizers and soil conditioners - Determination of total nitrogen by combustion
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 EN 15560:2009 Engrais - Dosage de l'azote total dans la cyanamide calcique exempte de nitrate
NF EN ISO 16948:2015 Biocombustibles solides - Détermination de la teneur totale en carbone, hydrogène et azote
NF V18-106*NF ISO 6491:2011 Animal feeding stuffs - Determination of phosphorus content - Spectrophotometric method
NF V18-106:1980 Animal feeding stuffs. Determination of total phosphorus content. Spectrophotometric method.
NF ISO 9874:2008 Lait - Détermination de la teneur en phosphore total - Méthode par spectrométrie d'absorption moléculaire
NF X31-418*NF ISO 13878:1998 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").
NF V04-220*NF ISO 9874:2008 Milk - Determination of total phosphorus content - Method using molecular absorption spectrometry
NF V04-220:1992 Milk. Determination of total phophorus content. Method using molecular absorption spectrometry.

Group Standards of the People's Republic of China, Total Nitrogen Total Phosphorus Total Potassium

T/QAS 071-2021 Determination of total nitrogen in brine Kjeldahl method
T/CIMA 0040-2021 Rapid determination of total phosphorus in water
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

PT-IPQ, Total Nitrogen Total Phosphorus Total Potassium

NP 3646-1987
NP 1279-1976
NP 1612-2002 Meat and meat products Determination of nitrogen content Reference method
NP 1649-1980

ZA-SANS, Total Nitrogen Total Phosphorus Total Potassium

SANS 5922:1978 Total moisture content of coal (nitrogen-oven method)

GOSTR, Total Nitrogen Total Phosphorus Total Potassium

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

PL-PKN, Total Nitrogen Total Phosphorus Total Potassium

PN C04576 ArkusZ14-1973 Water and w?sie water Tes?s for nitrogen Calcula?ion of to?al nitrogen
PN C04537-09-1991 Water and waste water Tests for phosphates Determination of total phosphorus
PN C04576 ArkusZ12-1973 Water and waste water Tests for nitrogenDetermination of total nitrogen of Kjeldahl

Professional Standard - Environmental Protection, Total Nitrogen Total Phosphorus Total Potassium

HJ 636-2012 Water quality.Determination of total nitrogen.Alkaline potassium persulfate digestion UV spectrophotometric method
HJ/T 102-2003 The technical requirement for water quality automatic analyzer of total nitrogen
HJ/T 103-2003 The technical requirement for water quality automatic analyzer of total phosphorous
HJ/T 199-2005 Water quality Determination of tota-nitrogen Gas-phase molecular absorption spectrometry
HJ 632-2011 Soil. Determination of Total Phosphorus by alkali fusion. Mo-Sb Anti spectrophotometric method

Indonesia Standards, Total Nitrogen Total Phosphorus Total Potassium

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 19-1501-1989 Test methods for total nitrogen oxide in air
SNI 4146-2013
SNI 13-4172-1996 Determination of total ferro oxide (Fe2O3) in phosphatic rock specimens by atomic absorption spectrometer method

British Standards Institution (BSI), Total Nitrogen Total Phosphorus Total Potassium

BS EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
BS EN 14672:2005 Characterization of sludges - Determination of total phosphorous
BS EN 14672:2005(2006) Characterization of sludges - Determination of total phosphorous
BS ISO 23776:2021 Meat and meat products. Determination of total phosphorous content
BS 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified Kjeldahl method
BS 4267-2:1988 Ammonium nitrate - Method for determination of total nitrogen content
BS ISO 20620:2021 Fertilizers and soil conditioners. Determination of total nitrogen by combustion
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
BS ISO 6851:2001 Photography. Processing waste. Determination of total amino nitrogen (microdiffusion Kjeldahl method)
DD CEN/TS 15560:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
BS EN ISO 16948:2015 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen
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
20/30400319 DC BS ISO 23776. Meat and meat products. Determination of total phosphorous content
DD CEN/TS 15561:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN 15561:2023 Inorganic fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN 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 9874:2006 Milk - Determination of total phosphorus content - Method using molecular absorption spectrometry

CEN - European Committee for Standardization, Total Nitrogen Total Phosphorus Total Potassium

PD CEN/TS 15478:2006 Fertilizers - Determination of total nitrogen in urea
PD CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
PD CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates

Danish Standards Foundation, Total Nitrogen Total Phosphorus Total Potassium

DS/EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
DS 292:1985 Water analysis. Total phosphor. Photometric method
DS/EN 14672:2005 Characterization of sludges - Determination of total phosphorus
DS 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
DS 291:1985 Water analysis. Phosphate. Photometric method
DS/EN 13342:2001 Characterisation of sludges - Determination of total Kjeldahl nitrogen
DS/EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
DS/EN 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration
DS/EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
DS/EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

Lithuanian Standards Office , Total Nitrogen Total Phosphorus Total Potassium

LST EN 15478-2009 Fertilizers - Determination of total nitrogen in urea
LST EN 14672-2005 Characterization of sludges - Determination of total phosphorus
LST EN 15560-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
LST EN 13716-2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration
LST EN 15561-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
LST EN 15750-2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

Heilongjiang Provincial Standard of the People's Republic of China, Total Nitrogen Total Phosphorus Total Potassium

DB23/T 3310-2022 Water quality total nitrogen monitoring technical specification
DB23/T 2668-2020 Technical regulations for staged diagnosis of total nitrogen fertilizer control in rice

AENOR, Total Nitrogen Total Phosphorus Total Potassium

UNE-EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
UNE-EN 14672:2006 Characterization of sludges - Determination of total phosphorus
UNE 77318:2001 Soil quality. Determination of total nitrogen. Modified Kjeldahl method.
UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
UNE-EN 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration.
UNE-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
UNE-EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

Jilin Provincial Standard of the People's Republic of China, Total Nitrogen Total Phosphorus Total Potassium

DB22/T 1932-2013 Determination method of total nitrogen content in peat (Kjeldahl method)

Taiwan Provincial Standard of the People's Republic of China, Total Nitrogen Total Phosphorus Total Potassium

CNS 3944-1976 Method for Determination of Total Kjeloahl Nitrogen in Polluted and Waste Water
CNS 6611-1980 Method of Test for Meat and Meat Products: Determination of Total Phosphorus Content
CNS 6611-2008 Method of test for meat and meat products - Determination of total phosphorus content
CNS 8991-1982 Chemical Reagent(Ammonium Salt Nitrates and Total Nitrogen Determination)
CNS 12957-2007 Method of test for milk and milk products - Determination of total phosphorus content in edible cheese
CNS 12957-1992 Method of Test for Milk and Milk Products:Determination of Total Phosphorus Content

工业和信息化部, Total Nitrogen Total Phosphorus Total Potassium

HG/T 5669-2019 Determination of total nitrogen in textile dyeing and finishing auxiliaries

Professional Standard - Coal, Total Nitrogen Total Phosphorus Total Potassium

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

Korean Agency for Technology and Standards (KATS), Total Nitrogen Total Phosphorus Total Potassium

KS I ISO 11261-2008(2018) Soil quality－Determination of total nitrogen－Modified Kjeldahl method
KS I ISO 11261-2008(2021) Soil quality－Determination of total nitrogen－Modified Kjeldahl method
KS I ISO 11261:2008 Soil quality-Determination of total nitrogen-Modified Kjeldahl method
KS M ISO 5315-2007(2012) Fertilizers－Determination of total nitrogen content－Titrimetric method after distillation
KS M ISO 5315:2007 Fertilizers-Determination of total nitrogen content-Titrimetric method after distillation
KS M ISO 5315:2013 Fertilizers－Determination of total nitrogen content－Titrimetric method after distillation
KS M ISO 4313:2003 Washing powders－Determination of total phosphorus(V) oxide content－Quinoline phosphomolybdate gravimetric method
KS M ISO 6851-2002(2017) Photography－Processing waste－Determination of total amino nitrogen－Microdiffusion Kjeldahl method
KS M ISO 16948:2021 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen
KS I ISO 15681:2014 Water quality — Determination of orthophosphate and total phosphorus contents by flow analysis(FIA and CFA)
KS H ISO 9909:2015 Oil of Dalmatian sage (Salvia officinalis L.)
KS H ISO 9874:2006 Milk－Determination of total phosphorus content－Method using molecular absorption spectrometry
KS H ISO 9874:2021 Milk — Determination of total phosphorus content —Method using molecular absorption spectrometry
KS M ISO 6851-2002(2022) Photography－Processing waste－Determination of total amino nitrogen－Microdiffusion Kjeldahl method
KS M ISO 6851:2002 Photography-Processing waste-Determination of total amino nitrogen-Microdiffusion Kjeldahl method
KS M ISO 4313-2003(2018) Washing powders－Determination of total phosphorus(V) oxide content－Quinoline phosphomolybdate gravimetric method
KS I ISO 15681-2014(2021) Water quality — Determination of orthophosphate and total phosphorus contents by flow analysis(FIA and CFA)

Hebei Provincial Standard of the People's Republic of China, Total Nitrogen Total Phosphorus Total Potassium

DB13/T 1224-2010 Determination method of total nitrogen in organic chemical products

Yunnan Provincial Standard of the People's Republic of China, Total Nitrogen Total Phosphorus Total Potassium

DB53/T 625-2014 Determination of Total Phosphorus in Coking Sewage by Phosphomolybdenum Blue Spectrophotometry

NO-SN, Total Nitrogen Total Phosphorus Total Potassium

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 - Urban Construction, Total Nitrogen Total Phosphorus Total Potassium

CJ/T 78-1999 Municipal sewage.Determination of total phosphorus.Spectrophotometric method
CJ/T 77-1999 Municipal sewage.Determination of total nitrogen.Distillation and titration method
CJ/T 3018.9-1993 Leachate.Determination of total phosphorus.Spectrophotometric molybdovanadophosphate method

BE-NBN, Total Nitrogen Total Phosphorus Total Potassium

NBN T 03-237-1980 Sodium and potassium silicates for industrial use - DEtermination of total alkalinity - Titrimetric method
NBN T 63-130-1980 Washing powders - DEermination of total phosphorus(V) oxide content - Quinoline phosphomolybdate gravimErie method

AT-ON, Total Nitrogen Total Phosphorus Total Potassium

ONORM L 1095-2002 Chemical analyses of soils - Determination of total nitrogen by dry combustion
ONORM ISO 4313:1986 Washing powders; determination of total phosphorus(V)-oxide content; quinoline phosphomolybdate gravimetric method
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)

未注明发布机构, Total Nitrogen Total Phosphorus Total Potassium

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
BS 4267-2:1988(1999) Ammonium nitrate — Part 2 : Method for determination of total nitrogen content
BS EN ISO 3946:1994(2000) Starches and derived products — Determination oftotal phosphorous content — Spectrometric method

ES-UNE, Total Nitrogen Total Phosphorus Total Potassium

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 ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015)

中华人民共和国环境保护部, Total Nitrogen Total Phosphorus Total Potassium

GB 11893-1989 Water quality-Determination of total phosphorus-Ammonium molybdate spectrophotometric method
GB 11894-1989 Water quality-Determination of total nitrogen-Alkaline potassium persulfate digestion-UV spectrophotometric method

KR-KS, Total Nitrogen Total Phosphorus Total Potassium

KS M ISO 16948-2021 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen
KS H ISO 9874-2021 Milk — Determination of total phosphorus content —Method using molecular absorption spectrometry
KS M ISO 1692-2017 Sodium and potassium silicates for industrial use — Determination of total alkalinity — Titrimetric method

Professional Standard - Tobacco, Total Nitrogen Total Phosphorus Total Potassium

YC/T 33-1996 Tobacco and tobacco products-Determination of total nitrogen-Kjeldahl method
YC/T 161-2002 Tobacco and tobacco products----Determination of total nitrogen----Continuous flow method

Society of Automotive Engineers (SAE), Total Nitrogen Total Phosphorus Total Potassium

SAE AS85449/2-2013 CLAMP ASSEMBLY, SADDLE TYPE, CUSHIONED, PHOSPHATE ESTER FLUID RESISTANT
SAE AS85449/2A-2020 CLAMP ASSEMBLY, SADDLE TYPE, CUSHIONED, PHOSPHATE ESTER FLUID RESISTANT

International Dairy Federation (IDF), Total Nitrogen Total Phosphorus Total Potassium

IDF 42-2006 Milk - Determination of total phosphorus content - Method using molecular absorption spectrometry

PH-BPS, Total Nitrogen Total Phosphorus Total Potassium

PTS 98-1970 Standardization of the Method of Test for the Determination of Total Nitrogen Content.Devarda Method

Tianjin Provincial Standard of the People's Republic of China, Total Nitrogen Total Phosphorus Total Potassium

DB12/T 1023-2020 Determination of total nitrogen content in organic fertilizers Dumas combustion method

AR-IRAM, Total Nitrogen Total Phosphorus Total Potassium

IRAM 12 030-1963

Professional Standard - Chemical Industry, Total Nitrogen Total Phosphorus Total Potassium

HG/T 3540-2011 Industrial circulating cooling water.Determination of total phosphate

Henan Provincial Standard of the People's Republic of China, Total Nitrogen Total Phosphorus Total Potassium

DB41/T 833-2013 Determination of Fluorine, Chloride and Total Phosphorus in Feeds by Ion Chromatography