Silicon nitride nitrogen content

Silicon nitride nitrogen content, Total:264 items.

The international standard classification for "Silicon nitride nitrogen content" includes: Advanced ceramics , Ceramic and glass insulating materials , Ferroalloys , Refractories , Fertilizers , Testing of metals , Powder metallurgy , Organic chemicals , Aircraft and space vehicles in general , Abrasives .

The Chinese standard classification for "Silicon nitride nitrogen content" includes: Special ceramics , Iron alloy , Special refractory , Steel and iron alloy analysis method , Basic standards and general methods on chemical fertilizers , Semimetal and semiconductor material analysis method , Metal and alloy powder , Fireproof material in general , Organic chemicals in general , Soil and fertilizer in general , Grinding material and apparatus .

工业和信息化部

YB/T 4566.2-2016 Ferrovanadium nitride. Determination of nitrogen content. Distillation separation-acid-base neutral titration method
YB/T 4582.10-2017 Ferrosilicon nitride. Determination of carbon content. The infrared absorption method
JB/T 10645-2020 Special products of silicon carbide-Silicon nitride bonded silicon carbide-Nozzle tubes
YB/T 4528-2016 Nitrogen-bearing ferrochromium and nitride ferrochrome with high nitrogen content. Determination of nitrogen contenr. Thermal conductimetric method after fusion in a current of inert gas
YB/T 4582.8-2017 Ferrosilicon nitride. Determination of silicon content. Perchloricacid dehydration gravimetric method
YB/T 4582.7-2017 Ferrosilicon nitride-Determination of total nitrogen content-Neutralization titration method
YB/T 4529-2016 Nitrogen-bearing ferromanganese. Determination of nitrogen content. Thermal conductimetric method after fusion in a current of inert gas
YB/T 4582.6-2017 Ferrosilicon nitride-Determination of manganese content-Sodium periodate spectrophotometric method
YB/T 4582.4-2017 Ferrosilicon nitride-Determination of sulfur content-Infrared absorption method
YB/T 4582.2-2017 Ferrosilicon nitride. Determination of chromium content. Diphenylcarbonhydrazide spectrophotometric method
YB/T 4582.3-2017 Ferrosilicon nitride-Determination of phosphorus content-Bismuth phosphomolybdate blue spectrophotometric method
YB/T 4566.5-2016 Ferrovanadium nitride. Determination of silicon content. The sulphuric acid dehydration. gravimetric method
YB/T 4582.5-2017 Ferrosilicon nitride. Determination of aluminium content. EDTA titrimetric method
YB/T 4582.9-2017 Ferrosilicon nitride. Determination of titanium content. Diantipyrylmethane spectrophotometric method
YB/T 4566.1-2016 Ferrovanadium nitride. Determination of conduct. Thermal conductimetric method after fusion in a current of inert gas
YB/T 4582.1-2017 Ferrosilicon nitride-Determination of calcium content-EDTA titrimetric method

Professional Standard - Building Materials

JC/T 2134-2012 Silicon nitride ceramic powder
JC/T 2342-2015 Method for the quantitative phase analysis of silicon nitride
JC/T 2349-2015 Si3N4 ceramic insulation components for polycrystalline silicon production

Professional Standard - Ferrous Metallurgy

YB/T 174.1-2000 Chemical analysis for silicon nitride bonded silicon carbide product. Determination of silicon nitride content. High pressure dissolve specimen method
YB/T 4239-2010 Ferrosilicon nitride
YB/T 174.2-2000 Chemical analysis for silicon nitride bonded silicon carbide product. Determination of silicon carbide content. High pressure dissolve specimen method
YB/T 174.4-2000 Chemical analysis for silicon nitride bonded silicon carbide product. Determination of iron oxide content. o-Phenanthroline photometric method
YB/T 174.3-2000 Chemical analysis for silicon nitride bonded silicon carbide product. Determination of free silicon content. Molybdenum blue photometric method
YB/T 4530-2016 Nitrogen-bearing ferromanganese. Determination of nitrogen content. The distillation-neutralization titration method
YB/T 4035-1991 Silicon nitride bonded silicon carbide bricks for blast furnace
YB/T 4035-2007 Silicon nitride bonded silicon carbide bricks
YB 4035-1991 Silicon nitride bonded silicon carbide bricks for blast furnace

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 42276-2022 Determination of fluorine ion and chloride ion in silicon nitride powder—Ion chromatography method
GB/T 5687.4-2016 Nitrogen-bearing ferrochromium and nitride ferrochrome with high nitrogen content—Determination of nitrogen content—The distillation-neutralization titration method
GB/T 16555-2008 Chemical analysis of refractories containing carbon and silicon carbide or nitride
GB/T 31703-2015(英文版) Ceramic ball bearings-Silicon nitride balls
GB/T 31703-2015 Ceramic ball bearings―Silicon nitride balls
GB/T 42263-2022 Determination of nitrogen content in silicon single crystal—Secondary ion mass spectrometry method
GB/T 3597-2002 Fertilizer - Determination of nitrate nitrogen content - Nitron gravimetric method
GB/T 6625-1986 Test methods for nitrogen content of nitrogen-doped getter
GB/T 5687.2-2007 Ferrochromium silicochromium and nitrogen-bearing ferrochromium—Determination of silicon content—The perchloric acid dehydration gravimetric method
GB/T 30061-2013 Ferromanganese-silicon Nitride
GB/T 24583.3-2009 Vanadium-Nitrogen alloy-Determination of nitrogen content—The distillation-neutralization titration method

Group Standards of the People's Republic of China

T/CSTM 00891-2024 Silicon nitride ferrovanadium
T/CNIA 0142-2022 Silicon nitride granulated powder
T/MMPLH 03-2024 Potassium chloride (contains nitrogen)

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

GB/T 34532-2017 Coking wastewater - Determination of ammonia nitrogen content - Formaldehyde method
GB/T 34216-2017 Nanoscale silicon nitride
GB/T 16555-2017 Chemical analysis of refractories containing carbon and silicon carbide or nitride

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 40535.1-2021 Test methods of continuous nitride ceramic fibers—Part 1：Nitrogen content
GB/T 24583.3-2019 Vanadium-nitrogen—Determination of nitrogen content—Distillation-neutralization titration method
GB/T 41153-2021 Determination of boron,aluminum and nitrogen impurity content in silicon carbide single crystal―Secondary ion mass spectrometry
GB/T 37258-2018 Silicon nitride ceramic powder

未注明发布机构

BS EN ISO 21068-1:2024 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - General information, terminology and sample preparation
ASTM RR-D31-1008 1996 D2868-Standard Test Method for Nitrogen Content (Kjeldahl) and Hide Substance Content of Leather

Military Standard of the People's Republic of China-General Armament Department

GJB 770.303-1989 Test methods for gunpowder analysis: Determination of nitrogen content of nitrocellulose. Five-tube nitrogen meter method
GJB 337-1987 Determination method of nitrogen content of nitrocellulose (interferometer method)
GJB 10064-2021 Specification for silicon nitride ceramic rain erosion heads
GJB 5332-2004 Silicon nitride bearing ball specifications
GJB 10063-2021 Silicon nitride ceramic polishing mask specification

Professional Standard - Agriculture

GB 3597-1983 Determination of nitrate nitrogen content in fertilizers Nitrogen reagent gravimetric method
NY/T 1116-2014 Fertilizer - Determination for content of nitrate nitrogen, ammonium nitrogen and amidonitrogen
NY/T 2542-2014 Fertilizers. Determination of total nitrogen nitrogen content
NY/T 2419-2013 Determination of total nitrogen in plant - Automatic kjeldahl apparatus method

Professional Standard - Machinery

JB/T 10152-2010 Special products of silicon carbide-Silicon nitride bonded silicon carbide-Plate
JB/T 10152-2023 Silicon carbide special products silicon nitride bonded silicon carbide plate
JB/T 10891-2008 Special products of silicon carbide—Silicon nitride bonded silicon carbide—Beam
JB/T 10645-2006 Special products of silicon carbide-Silicon nitride bonded silicon carbide-Nozzle tubes
JB/T 10152-2000 Special products of silicon carbide - Slab of silicon nitride bonded silicon carbide
JB/T 8724-2023 Silicon nitride seal ring for mechanical seal

Taiwan Provincial Standard of the People's Republic of China

CNS 12786-1990 Method of Chemical Analysis for Silicon Nitride Powders

Jilin Provincial Standard of the People's Republic of China

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

Anhui Provincial Standard of the People's Republic of China

DB34/T 993-2009 Sulfur and nitrogen fertilizer

Professional Standard - Commodity Inspection

SN/T 0736.5-1999 Chemical analysis of fertilizers for import and export―Determination of nitrogen content

International Organization for Standardization (ISO)

ISO/FDIS 21068-2:2024 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon
ISO/FDIS 21068-3:2024 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon
ISO/FDIS 21068-1:2023 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon
ISO/FDIS 21068-4:2024 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon
ISO/DIS 21068-3 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon — Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents
ISO/DIS 21068-4 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon — Part 4: XRD methods
ISO/DIS 21068-1 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon — Part 1: General information and sample preparation
ISO 21068-1:2024 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon-Part 1: General information, terminology and sample preparation
ISO 8968-5:2001|IDF 20-5:2001 Determination of milk nitrogen content Part 5: Determination of protein nitrogen content
ISO 8968-4:2001 | IDF 20-4:2001 Milk — Determination of nitrogen content — Part 4: Determination of non-protein-nitrogen content
ISO/DIS 21068-2 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon — Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, free
ISO 8968-5:2001 | IDF 20-5:2001 Milk — Determination of nitrogen content — Part 5: Determination of protein-nitrogen content
ISO 8968-5:2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
ISO 8968-4:2001|IDF 20-4:2001 Determination of milk nitrogen content Part 4: Determination of non-protein nitrogen content
ISO 8968-4:2001 Milk - Determination of nitrogen content - Part 4: Determination of non-protein-nitrogen content
ISO 8968-1:2001 | IDF 20-1: 2001 Milk — Determination of nitrogen content — Part 1: Kjeldahl method

BSI

BS EN ISO 21068-4:2024 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon-XRD methods
BS EN ISO 21068-3:2024 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon-Determination of nitrogen, oxygen and metallic and oxidic constituents
DANSK DS/ISO 21068-3:2024 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon – Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents
DANSK DS/ISO 21068-4:2024 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon – Part 4: XRD methods
DANSK DS/ISO 21068-1:2024 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon – Part 1: General information, terminology and sample preparation
BS EN ISO 21068-2:2024 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon-Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, free and sur...
DANSK DS/ISO 21068-2:2024 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon – Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, ...

RO-ASRO

SR ISO 4176:1981 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method
SR 184-25-1998 Ethyl alcohol. Determination of ammonia and azotic bases nitrogen content
STAS 7425-1979 NITROCELLULOSES Determination of nitrogen content
STAS SR 12271-6-1994 Uranium dioxide. Determination of nitrogen content
STAS 6843-1982 STEELS ANI) CAST 1RONS Determination of nitrogen content
STAS 6182/4-1979 WINE Determination of total nitrogen content
STAS 7184/2-1985 SOILS Nitrogen content determination
SR ISO 5315:1984 Fertilizers. Determination of totai nitrogen content.Titrimetric method after distilation

British Standards Institution (BSI)

DD ENV 12260-1996 Water quality. Determination of nitrogen. Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
BS EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
BS EN ISO 8968-5:2002 Milk. Determination of nitrogen content. Determination of protein-nitrogen content
BS EN ISO 8968-4:2002 Milk. Determination of nitrogen content. Determination of non-protein nitrogen content
23/30446960 DC BS EN ISO 21068-3. Chemical analysis of raw materials and refractory products containing silicon carbide, silicon nitride, silicon oxynitride and sialon - Part 3. Determination of nitrogen, oxygen and metallic and oxidic constituents
BS EN 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
23/30446996 DC BS EN ISO 21068-4. Chemical analysis of raw materials and refractory products containing silicon carbide, silicon nitride, silicon oxynitride and sialon - Part 4. XRD methods
23/30446952 DC BS EN ISO 21068-1. Chemical analysis of raw materials and refractory products containing silicon carbide, silicon nitride, silicon oxynitride and sialon - Part 1. General information and sample preparation
BS 5551-4.1.1:1981 Fertilizers - Chemical analysis - Determination of nitrogen - Nitron gravimetric method for determination of nitrate nitrogen
BS EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
23/30446956 DC BS EN ISO 21068-2. Chemical analysis of raw materials and refractory products containing silicon carbide, silicon nitride, silicon oxynitride and sialon - Part 2. Determination of volatile components, total carbon, free carbon, silicon carbide,…
BS DD CEN/TS 15478:2006 Fertilizers - Determination of total nitrogen in urea

Standard Association of Australia （SAA）

ISO 21068-4:2024 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 4: XRD methods
ISO 21068-3:2024 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents
ISO 21068-2:2024 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silico...

CZ-CSN

CSN 65 4814-1976 Determinaíion of nitrogen oontent in fertilizers
CSN 42 0566 Cast.7-1987 Chemical analysis of manganese. Determination of nitrogen content
CSN 42 0525-1980 Chemical analysis of technical iron. Determination of the nitrogen content
CSN 56 0020-1987 General directions for the determination f nitrogen by the Kjeldahl method
CSN 65 4835-1983 Minerál fertilizers. Determination of ammoniacal nitrogen content by distillating method
CSN 65 4836-1983 Minerál fertilizers Methode for determination of total nitrogen content
CSN 65 0331-1963 Deterimination oí Nierogea by Kjeldahl's method

German Institute for Standardization

DIN CEN/TS 15558:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version CEN/TS 15558:2007
DIN EN ISO 21068-4:2023-07 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 4: XRD methods (ISO/DIS 21068-4:2023); German and English version prEN ISO 21068-4:2023 / Note: Date of issue 2...
DIN EN 12260:2003 Water quality - Determination of nitrogen - Determination of bound nitrogen (TN<(Index)b>), following oxidation to nitrogen oxides; German version EN 12260:2003
DIN CEN/TS 15559:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd; German version CEN/TS 15559:2007
DIN EN ISO 21068-3:2023-07 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents (ISO/DIS 21068-3:2023); German and En...
DIN 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 ISO 8968-4:2002 Milk - Determination of nitrogen content - Part 4: Determination of the non-protein-nitrogen content (ISO 8968-4:2001); German version EN ISO 8968-4:2001
DIN EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001); German version EN ISO 8968-5:2001
DIN EN ISO 21068-2:2023-07 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, fr...
DIN EN ISO 21068-1:2024 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 1: General information, terminology and sample preparation (ISO 21068-1:2024)
DIN EN ISO 21068-1:2023-07 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 1: General information and sample preparation (ISO/DIS 21068-1:2023); German and English version prEN ISO 21068...
DIN EN 12135:1997-12 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method; German version EN 12135:1997
DIN EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda; English version of DIN EN 15476:2009-04
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 20483:2014-03 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2013); German version EN ISO 20483:2013
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

AENOR

UNE-EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
UNE-EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method

SCC

DIN EN ISO 21068-3 E:2023 Draft Document - Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents (ISO/DIS 21068-3:202...
DANSK DS/EN ISO 21068-4:2024 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon – Part 4: XRD methods (ISO 21068‑4:2024)
BS EN ISO 8968-1:2002 Milk. Determination of nitrogen content-Kjeldahl method
DIN EN ISO 21068-4 E:2023 Draft Document - Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 4: XRD methods (ISO/DIS 21068-4:2023); German and English version prEN ISO 21068-4:2023
NS-EN ISO 21068-2:2024 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, fr...
SPC GB/T 37258-2018 Silicon nitride ceramic powder (TEXT OF DOCUMENT IS IN CHINESE)
DIN EN ISO 21068-2 E:2023 Draft Document - Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and...
BS 5551-4.1.5:1993 Fertilizers. Chemical analysis. Determination of nitrogen.-Method for determination of urea nitrogen content (gravimetric method using xanthydrol)
UNE-EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content. (ISO 8968-5:2001)
DIN EN ISO 21068-1 E:2023 Draft Document - Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 1: General information and sample preparation (ISO/DIS 21068-1:2023); German and English versi...
NS-EN 12135:1997 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
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
BS 7164-21:1990 Chemical tests for raw and vulcanized rubber-Determination of nitrogen content
DANSK DS/EN 12135:1997 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
AENOR UNE-EN ISO 8968-5:2002 Milk. Determination of nitrogen content. Part 5: Determination of protein nitrogen content. (ISO 8968-5:2001)
NS-EN ISO 8968-5:2001 Milk — Determination of nitrogen content — Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001)
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
08/30179332 DC BS EN 15604. Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen

Danish Standards Foundation

DS/EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
DS/EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
DS/EN ISO 8968-4:2002 Milk - Determination of nitrogen content - Part 4: Determination of non-protein nitrogen content
DS/EN ISO 8968-1:2002 Milk - Determination of nitrogen content - Part 1: Kjeldahl method
DS/EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
DS/EN ISO 20483:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method

European Committee for Standardization (CEN)

FprEN ISO 21068-4 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 4: XRD methods (ISO/FDIS 21068‑4:2024)
EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
FprEN ISO 21068-3 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents (ISO/FDIS 21068‑3:2024)
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
FprEN ISO 21068-2 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, free
FprEN ISO 21068-1 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 1: General information, terminology and sample preparation (ISO/FDIS 21068-1:2024)
EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
EN ISO 8968-5:2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001)

Lithuanian Standards Office

LST EN 15604-2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
LST EN 12135-2001 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
LST EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001)
LST EN ISO 8968-4:2002 Milk - Determination of nitrogen content - Part 4: Determination of non-protein nitrogen content (ISO 8968-4:2001)

HU-MSZT

MSZ KGST 455-1977 Define iron oxide nitrogen content of aluminum oxide
MSZ KGST 451-1977 Define iron oxide nitrogen content of aluminum oxide
MSZ KGST 978-1978 Content and content definition model of sodium oxide nitrogen (Na2 O) and potassium nitrogen oxide (K20) in fireproof raw material products containing magnesium oxide and nitrogen oxide substances
MSZ 12303/2-1984 Chemical analysis of fireproof raw material products with zirconium oxide content (IV) Nitrogen oxide (silicon dioxide) content defines gravimetric measurement method
MSZ KGST 1239-1978 Determination of nitrogen content in iron and steel

Japanese Industrial Standards Committee (JISC)

JIS R 1640:2002 Methods for the quantitative phase analysis of silicon nitride
JIS B 1563:2009 Rolling bearings -- Silicon nitride balls
JIS K 0104:2000 Methods for determination of nitrogen oxides in flue gas
JIS K 0104:1984 Methods for determination of oxides of nitrogen in flue gases
JIS K 0104:2011 Methods for determination of nitrogen oxides in flue gas

Association Francaise de Normalisation

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 U42-119:1965 Products used in agriculture. Determination of nitrogen content in class C nitrogenous fertilizers.
NF U42-141:1984 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method.
NF U42-117:1965 Products used in agriculture. Fertilizers. Determination of nitrogen content in class a nitrogenous fertilizers.
NF U42-118:1965 Products used in agriculture. Determination of nitrogen content in class B nitrogenous fertilizers.
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 U42-191:1988 Fertilizers. Nitrogenous fertilizers containing synthetic organic nitrogen. Determination of the types of nitrogen.
NF V04-221-5:2002 Milk - Determination of nitrogen content - Part 5 : determination of protein-nitrogen content.
NF V04-221-4:2002 Milk - Determination of nitrogen content - Part 4 : determination of non-protein nitrogen content.
NF X31-111*NF ISO 11261:1995 Soil quality. Determination of total nitrogen. Modified kjeldahl method.
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 X43-018:1983 Air pollution. Measurement of nitrogen oxides by chemiluminescence.
NF V59-202:1988 Collagenes. Determination of the nitrogen content.
NF EN ISO 20483:2014 Cereals and legumes - Determination of nitrogen content and calculation of crude protein content - Kjeldahl method
NF A06-654:1993 Chemical analysis of titanium alloys. Determination of nitrogen content. Titrimetric method.

PL-PKN

PN C04576 ArkusZ14-1973 Water and w?sie water Tes?s for nitrogen Calcula?ion of to?al nitrogen
PN C87077-1992 Nitrogenous fertilizers. Determination of cooper
PN Z04075-1961 Speedy Me?hod for De?er mina?ion of Ni?rogen Oxyde* in Air

ZA-SANS

SANS 333:1996 Coal - Determination of nitrogen - Semi-micro Kjeldahl method
SANS 8968-5:2006 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
SANS 8968-4:2006 Milk - Determination of nitrogen content Part 4: Determination of non-protein-nitrogen content

American Society for Testing and Materials (ASTM)

ASTM C1494-01 Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
ASTM C1494-13(2018) Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
ASTM F2094-03a Standard Specification for Silicon Nitride Bearing Balls
ASTM F2094-03 Standard Specification for Silicon Nitride Bearing Balls
ASTM F2094/F2094M-14e1 Standard Specification for Silicon Nitride Bearing Balls
ASTM F2094/F2094M-18a Standard Specification for Silicon Nitride Bearing Balls
ASTM F2094/F2094M-11 Standard Specification for Silicon Nitride Bearing Balls
ASTM F2094-01a Standard Specification for Silicon Nitride Bearing Balls
ASTM F2094/F2094M-18 Standard Specification for Silicon Nitride Bearing Balls
ASTM F2094-01 Standard Specification for Silicon Nitride Bearing Balls
ASTM F2094/F2094M-08 Standard Specification for Silicon Nitride Bearing Balls
ASTM F2094/F2094M-14 Standard Specification for Silicon Nitride Bearing Balls
ASTM F2094-06 Standard Specification for Silicon Nitride Bearing Balls
ASTM F2094/F2094M-13 Standard Specification for Silicon Nitride Bearing Balls

GSO

GSO ISO 8968-5:2014 Milk -- Determination of nitrogen content -- Part 5: Determination of protein-nitrogen content
OS GSO ISO 8968-5:2014 Milk -- Determination of nitrogen content -- Part 5: Determination of protein-nitrogen content
GSO ISO 20483:2013 Cereals and pulses -- Determination of the nitrogen content and calculation of the crude protein content -- Kjeldahl method
OS GSO ISO 20483:2013 Cereals and pulses -- Determination of the nitrogen content and calculation of the crude protein content -- Kjeldahl method

RU-GOST R

GOST 34111-2017 Juice products. Determination of nitrogen content by Kjeldahl method
GOST 8775.4-1987 Lithium. Method of determination of 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 13301-1967 Organic chemical products. Method of test for microdetermination of nitrogen
GOST 21600.6-1983 Ferrochrome. Method for the determination of nitrogen
GOST 15933.11-1970 Ferroniobium. Method for the determination of nitrogen content

Korean Agency for Technology and Standards (KATS)

KS M ISO 4176-2006(2011) Fertilizers－Determination of nitrate nitrogen content－Nitron gravimetric method
KS M 8531-2004 Sodium hydroxide for nitrogen compounds analysis
KS B 5360-2001 Continuous Analysers for Oxides of Nitrogen in Ambient Air
KS B 5360-1990 Continuous Analysers for Oxides of Nitrogen in Ambient Air
KS D 2530-2007 Methods for determination of nitrogen in titanium and titanium alloys

International Dairy Federation (IDF)

IDF 20-5-2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
IDF 20-4-2001 Milk - Determination of nitrogen content - Part 4: Determination of non-protein-nitrogen content
IDF 20-1-2001 Milk - Determination of nitrogen content - Part 1: Kjeldahl method

NL-NEN

NEN 6642-1992 Water-Calculation of total nitrogen content

PT-IPQ

NP 3646-1987 fertilizer. Measurement of total nitrogen content
NP EN 12135-2000 Fruit and vegetable juices Determination of nitrogen content Kjeldahl method

Indonesia Standards

SNI 19-1432-1989 Exhaust-gases, Test methods for nitrogen dioxide content
SNI 13-3482-1994 Coal, Determination of nitrogen using Kyeldahl method
SNI 4146-2013 Method for determination of total nitrogen content in sediment by Kjeldahl titration method

CU-NC

NC 24-64-1986 Inorganic Chemical Products Nitrogen, Determination of Oil Content

YU-JUS

JUS H.G8.083-1983 Reagents. Sodium chloride. Determination of total nitrogen content. Colorimetric method
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

GOSTR

GOST R ISO 15604-2019 Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen

TR-TSE

TS 2428-1976 METHODS FOR THE CHEMICAL ANALYSIS OF IRON AND STEELS DETERMINATION OF NITROGEN CONTENT

VN-TCVN

TCVN 305-2010 Steel and iron.Determination of nitrongen content.Methods of chemical analysis.
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

GOST

GOST 2408.2-1975 Brown coals, hard coals, anthracite, combustible shales and turf. Method for thedetermination of nitrogen content

BG-BDS

BGC ISO 5983:2001 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Kjeldahl method

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