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Membrane total nitrogen

Membrane total nitrogen, Total:256 items.

In the international standard classification, Membrane total nitrogen involves: Non-ferrous metals, Water quality, Milk and milk products, Shipbuilding and marine structures in general, Animal feeding stuffs, Coals, Soil quality. Pedology, Fertilizers, Fuels, External water conveyance systems, Analytical chemistry, Products of the chemical industry, Edible oils and fats. Oilseeds, Rubber, Air quality, Document imaging applications, Materials for aerospace construction, Wastes, Resistors, Photography, ENVIRONMENT. HEALTH PROTECTION. SAFETY, Construction materials, Shop fittings, Insulating materials, Integrated circuits. Microelectronics, Ferrous metals, Inorganic chemicals, Packaging materials and accessories, General methods of tests and analysis for food products, Road vehicle systems, Test conditions and procedures in general, Organic chemicals.

HU-MSZT, Membrane total nitrogen

• MNOSZ 448-27.lap-1955 Determination of total nitrogen water
• MSZ 318/18-1981 Determination of total nitrogen in sludge test

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

• KS D 8351-1995(2010) Titanium nitride coatings by dry processing
• 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 6851-2002(2017) 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 6851-2022 Photography－Processing waste－Determination of total amino nitrogen－Microdiffusion Kjeldahl method
• KS M ISO 5315-2007(2012) Fertilizers－Determination of total nitrogen content－Titrimetric method after distillation
• KS I ISO 14255-2023 Soil quality－Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
• KS I ISO 14255:2009 Soil quality－Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
• KS I ISO 14255-2009(2019) Soil quality－Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
• KS 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 H ISO 1871-2013(2018) Agricultural food products ― General directions for the determination of nitrogen by the Kjeldahl method
• KS M ISO 16948:2021 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen

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

• 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

Association Francaise de Normalisation, Membrane total nitrogen

• NF V04-211:1971 MILK. DETERMINATION OF TOTAL NITROGEN CONTENT. (KJELDAHL METHOD).
• NF U42-147*NF EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrate
• NF EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
• NF X31-111*NF ISO 11261:1995 Soil quality. Determination of total nitrogen. Modified kjeldahl 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 U42-416*NF EN 15478:2009 Fertilizers - Determination of total nitrogen in urea.
• NF EN 15750:2010 Fertilizers - Determination of the total nitrogen content of fertilizers containing nitrogen only in nitric, ammoniacal and urea form, using two different methods
• NF ISO 20620:2022 Fertilizers and amendments - Determination of total nitrogen by combustion
• NF U42-151:1984 Fertilizers. Determination of total nitrogen content. Titrimetric method after distillation.
• NF A06-555:2010 Steel - Determination of nitrogen content - Spectrophotometric method.
• NF EN 15561:2009 Fertilizers - Determination of total nitrogen in nitrated calcium cyanamide
• 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 EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (COD), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after catalytic oxidative combustion at high temperature
• 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 16948:2015 Solid biofuels - Determination of total carbon, hydrogen and nitrogen content
• NF EN 15560:2009 Fertilizers - Determination of total nitrogen in nitrate-free calcium cyanamide

PL-PKN, Membrane total nitrogen

• PN C04576 ArkusZ14-1973 Water and w?sie water Tes?s for nitrogen Calcula?ion of to?al nitrogen
• PN C04576 ArkusZ12-1973 Water and waste water Tests for nitrogenDetermination of total nitrogen of Kjeldahl

National Metrological Verification Regulations of the People's Republic of China, Membrane total nitrogen

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

Professional Standard-Ships, Membrane total nitrogen

• CB/T 4336-2013 Marine membrane separation nitrogen gas generator

SCC, Membrane total nitrogen

• SN-CEN/TS 15750:2008 Fertilizers — Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
• NS-EN 15750:2009 Fertilizers — Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
• DANSK DS/EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
• AENOR UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
• BS DD CEN/TS 15750:2008 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
• DIN EN 15750 E:2009 Draft Document - Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version prEN 15750:2009
• NS 4745:1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
• DANSK DS/EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
• AS 1871.11:1976 List of methods for examination of waters Nitrogen (total Kjeldahl incl. ammoniacal)
• SN-CEN/TS 15478:2006 Fertilizers — Determination of total nitrogen in urea
• NS-EN 15478:2009 Fertilizers — Determination of total nitrogen in urea
• UNE-CEN/TS 15478:2007 EX Fertilizers - Determination of total nitrogen in urea
• NS 4865:1983 Air quality — Determination of the sum of nitrite- and nitrate-nitrogen in precipitation
• 08/30179310 DC BS EN 15478. Fertilizers. Determination of total nitrogen in urea
• SN-CEN/TS 15560:2007 Fertilizers — Determination of total nitrogen in calcium cyanamide nitrate free
• AENOR UNE-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
• NS-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
• UNE-CEN/TS 15560:2007 EX Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
• DANSK DS/EN 15560:2009 Fertilizers – Determination of total nitrogen in calcium cyanamide nitrate free
• DANSK DS/EN 13342:2001 Characterisation of sludges - Determination of total Kjeldahl nitrogen
• DANSK DS/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
• NS 4743:1993 Water analysis — Determination of total nitrogen after oxidation by peroxodisulphate
• DANSK DS/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 bound phosphorus (DPb) after wet chemical catalysed ozon...
• NS-EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
• DANSK DS/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)

NL-NEN, Membrane total nitrogen

• NEN 6642-1992 Water-Calculation of total nitrogen content

VN-TCVN, Membrane total nitrogen

• TCVN 6498-1999 Soil quality.Determination of total nitrogen.Modifierd Kejldahl method
• TCVN 5265-1990 Bee products.Determination of total nitrogen content
• TCVN 7252-2003 Tobacco and tobacco products.Determination of total nitrogen content
• TCVN 7373-2004 Soils quality.Index values of total nitrogen content in the soils of Vietnam
• TCVN 6643-2000 Soil quality.Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
• TCVN 6645-2000 Soil quality.Determination of total nitrogen content by dry combustion ("elemental analysis")
• TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content

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

• 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 D3590-11 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 D2973-71(1998) Standard Test Method for Total Nitrogen in Peat Materials
• ASTM D2973-16 Standard Test Method for Total Nitrogen in Peat Materials
• ASTM D2973-10e1 Standard Test Method for Total Nitrogen in Peat Materials
• ASTM D2973-71(2004) Standard Test Method for Total Nitrogen in Peat Materials
• ASTM D2973-22 Standard Test Method for Total Nitrogen in Peat Materials
• ASTM D2973-23 Standard Test Method for Total Nitrogen in Peat Materials
• ASTM D2973-10 Standard Test Method for Total Nitrogen in Peat Materials
• 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 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 E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method

CZ-CSN, Membrane total nitrogen

• CSN 68 4124-1980 Determination of small mounts of total nitrogen
• CSN 65 4836-1983 Minerál fertilizers Methode for determination of total nitrogen content

Association of Official Analytical Chemists (AOAC), Membrane total nitrogen

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

Jilin Provincial Standard of the People's Republic of China, Membrane total nitrogen

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

German Institute for Standardization, Membrane total nitrogen

• 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 15478:2009-04 Fertilizers - Determination of total nitrogen in urea; German version EN 15478:2009
• DIN EN 15478:2009 Fertilizers - Determination of total nitrogen in urea; English version of DIN EN 15478:2009-04
• 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 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 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 ISO 14255:1998-11 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant (ISO 14255:1998)
• DIN 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 13716:2003-05 Surface active agents - Determination of total base nitrogen - Potentiometric titration; German version EN 13716:2001
• DIN EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
• 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 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)

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

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

Professional Standard - Military and Civilian Products, Membrane total nitrogen

• WJ 2343-1995 Specification for vacuum ion plating nitrogen titanium film

Danish Standards Foundation, Membrane total nitrogen

• DS 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
• DS/EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
• DS/EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
• DS/EN 13342:2001 Characterisation of sludges - Determination of total Kjeldahl nitrogen
• DS/EN 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration
• DS/EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free

PT-IPQ, Membrane total nitrogen

• NP 3646-1987 fertilizer. Measurement of total nitrogen content

GOSTR, Membrane total nitrogen

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

AENOR, Membrane total nitrogen

• 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 77318:2001 Soil quality. Determination of total nitrogen. Modified Kjeldahl method.
• UNE-EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
• UNE 77306:1999 SOIL QUALITY. DETERMINATION OF NITRATE NITROGEN, AMMONIUM NITROGEN AND TOTAL SOLUBLE NITROGEN IN AIR-DRY SOIL USING CALCIUM CHLORIDE SOLUTION AS EXTRACTANT.
• UNE-EN 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration.
• UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
• UNE-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free

ZA-SANS, Membrane total nitrogen

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

RU-GOST R, Membrane total nitrogen

• GOST 26715-1985 Organic fertilizers. Methods for determination of total nitrogen
• GOST EN 15478-2013 Fertilizers. Determination of total nitrogen in urea
• GOST 26107-1984 Soils. Methods for determination of total nitrogen
• GOST EN 15750-2016 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
• GOST 10671.4-2016 Reagents. Methods for determination of total nitrogen impurity
• GOST 30181.3-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in fertilizers with nitrate nitrogen

Professional Standard - Agriculture, Membrane total nitrogen

• 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
• GB 609-1988 General method for the determination of total nitrogen content of chemical reagents
• GB/T 609-2018(XG1-2024) Chemical Reagents General Method for Determination of Total Nitrogen
• NY/T 1977-2010 Water-suluble fertilizers-Determination of total nitrogen, phosphorus and potassium content
• HJ 199-2023 Determination of total nitrogen in water quality by gas phase molecular absorption spectrometry

Lithuanian Standards Office , Membrane total nitrogen

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

International Organization for Standardization (ISO), Membrane total nitrogen

• ISO 11261:1995 Soil quality - Determination of total nitrogen - Modified Kjeldahl method
• ISO 3099:1974 Oilseed residues — Determination of total nitrogen content
• 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 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 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 20620:2021 Fertilizers and soil conditioners - Determination of total nitrogen by combustion
• ISO 5315:1984 Fertilizers; Determination of total nitrogen content; Titrimetric method after distillation
• ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen
• 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/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

Indonesia Standards, Membrane total nitrogen

• 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 4146-2013 Method for determination of total nitrogen content in sediment by Kjeldahl titration method
• SNI 19-1501-1989 Test methods for total nitrogen oxide in air

CEN - European Committee for Standardization, Membrane total nitrogen

• 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

Heilongjiang Provincial Standard of the People's Republic of China, Membrane total nitrogen

• 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

British Standards Institution (BSI), Membrane total nitrogen

• BS EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
• 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 EN 15750:2010 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
• BS 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified Kjeldahl method
• BS ISO 8126:2019 Micrographics. Duplicating film, silver, diazo and vesicular. Specifications and measurement for visual density
• BS ISO 6851:2001 Photography. Processing waste. Determination of total amino nitrogen (microdiffusion Kjeldahl method)
• BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
• BS 4267-2:1988 Ammonium nitrate - Method for determination of total nitrogen content
• 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 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 ISO 20620:2021 Fertilizers and soil conditioners. Determination of total nitrogen by combustion
• BS EN ISO 16948:2015 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen
• 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 4267-2:1988(1999) Ammonium nitrate — Part 2 : Method for determination of total nitrogen content

European Committee for Standardization (CEN), Membrane total nitrogen

• 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 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
• 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

GOST, Membrane total nitrogen

• GOST 34789-2021 Brewing products. Identification. Determination of mass concentration of total nitrogen by Kjeldahl method

未注明發(fā)布機構(gòu), Membrane total nitrogen

• DIN 51732 E:2013-07 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
• ASTM RR-D19-1194 2016 D8083-Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection

NO-SN, Membrane total 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

Taiwan Provincial Standard of the People's Republic of China, Membrane total nitrogen

• CNS 3944-1976 Method for Determination of Total Kjeloahl Nitrogen in Polluted and Waste Water
• CNS 8991-1982 Chemical Reagent(Ammonium Salt Nitrates and Total Nitrogen Determination)

工業(yè)和信息化部, Membrane total nitrogen

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

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

• GB/T 9506.6-1988 Test method for barium film distribution of nitrogen-doped getter
• GB/T 9823-1988 Method for determination of total nitrogen content in oilseed residues
• GB/T 609-1988 Chemical reagent--General method for the determination of total nitrogen
• GB/T 41965-2022 Photography—Processing waste—Determination of total amino nitrogen(microdiffusion Kjeldahl method)
• 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 2441.1-2001 Determination of urea-Determination of total nitrogen content
• GB/T 8976-1996 Generic specification for film integrated circuits and hybrid film integrated circuits
• GB/T 2441.1-2008 Determination of urea.Part 1:Total nitrogen content
• 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

YU-JUS, Membrane total nitrogen

• 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.G8.457-1991 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.G8.055-1983 Reagents. Hydrogen peroxide. 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.G8.104-1984 Reagents. Potassium chloride. Determination of total nitrogen content. Colorimetric method
• JUS H.G8.290-1987 Reagents. Copper(ll) oxide. Determination of total nitrogen content. Colorimetric method
• JUS E.Z8.016-1993 Soups,broaths,sauces and seasonings - Determination of total nitrogen content
• JUS H.G8.343-1988 Reagents. Zine chloride. Determination of total nitrogen content. Colorinetcic metbod
• JUS H.G8.447-1990 Reagents. Zine sulphate heptahydrate. 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

國家市場監(jiān)督管理總局、中國國家標準化管理委員會, Membrane total nitrogen

• GB/T 40723-2021 Rubber—Determination the contents of total sulfur and total nitrogen — Automatic analyser method

United States Navy, Membrane total nitrogen

• NAVY L-F-315 C INT AMD 1-1975 FILM, DIAZOTYPE, SENSITIZED (DIRECT IMAGE MICROFORMS)
• NAVY L-F-315 C-1971 FILM, DIAZOTYPE, SENSITIZED (DIRECT IMAGE MICROFORMS)
• NAVY L-F-315 C NOTICE 1-2001 FILM, DIAZOTYPE, SENSITIZED (DIRECT IMAGE MICROFORMS)

GSO, Membrane total nitrogen

• GSO ISO 6851:2015 Photography -- Processing waste -- Determination of total amino nitrogen (microdiffusion Kjeldahl method)
• GSO ISO 14255:2013 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
• OS GSO ISO 14255:2013 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
• GSO ISO 21793:2024 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 bound phosphorus (DPb) after wet chemical catalysed ozon...

Japanese Industrial Standards Committee (JISC), Membrane total 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 C 2150:2003 General rules for plastic films for electrical purposes
• JIS Z 1707:1997 General rules of plastic films for food packaging
• JIS Z 1707:2019 General rules of plastic films for food packaging

TR-TSE, Membrane total nitrogen

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

Defense Logistics Agency, Membrane total nitrogen

• DLA DSCC-DWG-88008 REV B-2007 RESISTOR, CHIP, FIXED, FILM, TANTALUM NITRIDE, STYLE 0505
• DLA DSCC-DWG-88009 REV E-2007 RESISTOR, CHIP, FIXED, FILM, TANTALUM NITRIDE, STYLE 1050

Professional Standard - Environmental Protection, Membrane total nitrogen

• HJ/T 102-2003 The technical requirement for water quality automatic analyzer of total nitrogen
• HJ/T 199-2005 Water quality Determination of tota-nitrogen Gas-phase molecular absorption spectrometry

Hebei Provincial Standard of the People's Republic of China, Membrane total nitrogen

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

RO-ASRO, Membrane total nitrogen

• STAS SR 4895-5-1997 Tobacco and tobacco products. Determination of total nitrogen content
• SR ISO 5315:1984 Fertilizers. Determination of totai nitrogen content.Titrimetric method after distilation
• STAS 9029-1986 DRESSED LEATHERS Determination of total nitrogen and hide snbstance

VDI - Verein Deutscher Ingenieure, Membrane total nitrogen

• VDI 2456 Blatt 6-1978 Gaseous emission measurement; determination of the sum of nitrogen monoxide and nitrogen dioxide as nitrogen monoxide by use of a converter
• VDI 2456-2003 Stationary source emissions - Determination of the total of nitrogen monoxide and nitrogen dioxide - Ion chromatography method
• VDI 2456 Blatt 2-1973 Gaseous emission measurement; determination of the total sum of nitrogen monoxide and nitrogen dioxide; acidimetric titration method
• VDI 2456 Blatt 1-1973 Gaseous emission measurement; determination of the total sum of nitrogen monoxide and nitrogen dioxide; phenoldisulfonic acid method
• VDI 2456 Blatt 10-1990 Gaseous emission measurement; analytical determination of the sum of nitrogen monoxide and nitrogen dioxide; dimethylphenol method
• VDI 2456 Blatt 10-1989 Gaseous emission measurement; analytical determination of the sum of nitrogen monoxide and nitrogen dioxide; dimethylphenol method

SE-SIS, Membrane total nitrogen

• SIS SS 02 81 86-1985 Determination of total arsenic in water - Silver diethyldithiocarbamate spectrometric method

Professional Standard - Business, Membrane total nitrogen

• SB/T 10931-2012 Controlled atmosphere storage appliance.Hollow fiber membrane nitrogen generator

Military Standard of the People's Republic of China-General Armament Department, Membrane total nitrogen

• GJB 920-1990 General specification for membrane fixed resistor networks

AT-ON, Membrane total nitrogen

• ONORM L 1095-2002 Chemical analyses of soils - Determination of total nitrogen by dry combustion

ES-UNE, Membrane total nitrogen

• 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 15560:2024 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
• UNE-EN ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015)

Professional Standard - Commodity Inspection, Membrane total nitrogen

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

Professional Standard - Urban Construction, Membrane total nitrogen

• CJ/T 77-1999 Municipal sewage.Determination of total nitrogen.Distillation and titration method

Society of Automotive Engineers (SAE), Membrane total nitrogen

• SAE J66-1974 BRAKE MASTER CYLINDER RESERVOIR DIAPHRAGM GASKET
• SAE J1605-2014 Brake Master Cylinder Reservoir Diaphragm Gasket

Professional Standard - Tobacco, Membrane total nitrogen

• YC/T 33-1996 Tobacco and tobacco products-Determination of total nitrogen-Kjeldahl method

KR-KS, Membrane total nitrogen

• KS M ISO 16948-2021 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen

Others:   Total Nitrogen Ammonia Nitrogen, Ammonia total nitrogen, Nitrate Total Nitrogen, Membrane total nitrogen, total nitrogen nitrogen ion, total nitrogen form nitrogen, Total nitrogen film, Total Nitrogen Membrane Method, Total nitrogen and nitrate, total membrane extraction, Total nitrogen and nitrate, Ammonia total nitrogen, Membrane nitrogen device, Total Nitrogen, Total Kjeldahl Nitrogen and Total Nitrogen, total nitrogen total nitrogen, total nitrogen nitrate nitrogen, Kjeldahl Nitrogen Total Nitrogen, Kjeldahl nitrogen + total nitrogen, Total Nitrogen Ionized Membrane.