chemical method total nitrogen

chemical method total nitrogen, Total:73 items.

The international standard classification for "chemical method total nitrogen" includes: Chemical reagents , Metalliferous minerals , Refractories , Abrasives , Materials for aluminium production , Aluminium .

The Chinese standard classification for "chemical method total nitrogen" includes: Chemical reagent in general , Iron ore , Heavy metal ore , Special refractory , Grinding material and apparatus , Carbon material , Fireproof material in general .

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

GB 223.49-1985 Methods for chemical analysis of iron,steel and alloy--The extraction separation-chlorophosphonazo mA photometric method for the determination of rare earth elements
GB/T 3257.15-1999 Methods for chemical analysis of bauxite--Determination the total content of rare earth oxide--Tribromo-arsenazo photometric method
GB/T 16555-2008 Chemical analysis of refractories containing carbon and silicon carbide or nitride
GB/T 609-2006 Chemical Reagent - General Method for the Determination of Total Nitrogen
GB/T 608-1988 Chemical reagent--General method for the determination of nitrogen
GB/T 609-1988 Chemical reagent-General method for the determination of total nitrogen
GB/T 6730.24-1986 Methods for chemical analysis of iron ores; The arsenazo 3 photometric method for the determination of rare earth elements content
GB/T 609-2018 Chemical reagent—General method for the determination of total nitrogen

Professional Standard - Agriculture

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
GB 608-1988 General method for chemical reagent nitrogen determination

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

GJB 507-1988 Boron nitride chemical analysis method

Professional Standard - Machinery

JB/T 7994-2012 Superabrasive — Chemical analysis method for cubic boran nitricle
JB/T 7994-1999 Chemical analysis methods of cubic boron nitride

Hebei Provincial Standard of the People's Republic of China

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

Professional Standard - Non-ferrous Metal

YS/T 575.14-2007 Methods for chemical analysis of bauxite Part 14:Determination the total content of rare earth oxide Tribromo-arsenazo photometric method
YS/T 575.14-2006 Methods for chemical analysis of bauxite -- Determination the total content of rare earth oxide -- Tribromo-arsenazo photometric method

Professional Standard - Aviation

HB/Z 5218.14-2004 Methods for chemical analysis of aluminium alloys-Part 14:Determination of the cerium subgroup of rare earth elements content by tribromoarsenazo spectrophtometric method
HB 5218.14-1995 Aluminum Alloy Chemical Analysis Method Tribromoarsine Spectrophotometric Determination of Total Rare Earth in Cerium Group

Jilin Provincial Standard of the People's Republic of China

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

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

Professional Standard - Chemical Industry

HG/T 4103-2009 Chemical reagent - General method for the determination of organic nitrogen compounds

Taiwan Provincial Standard of the People's Republic of China

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

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 16555-2017 Chemical analysis of refractories containing carbon and silicon carbide or nitride

British Standards Institution (BSI)

BS 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified 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 EN 12698-1:2007 Chemical analysis of nitride bonded silicon carbide refractories - Chemical methods

American Society for Testing and Materials (ASTM)

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
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 D5176-91(2003) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-91(1995) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM 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 D5176-08 Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-08(2015) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-20 Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D3590-02 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-11 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-17 Standard Test Methods for Total Kjeldahl Nitrogen in Water

Indonesia Standards

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

Korean Agency for Technology and Standards (KATS)

KS L 9310-2017(2022) Methods for chemical analysis of aluminum nitride powders
KS L 9310-2017 Methods for chemical analysis of aluminum nitride powders
KS L 9310-2022 Methods for chemical analysis of aluminum nitride powders
KS L 3318-1988 METHODS FOR CHEMICAL ANALYSIS OF FINE SILICON NITRIDE POWDERS FOR FINE CERAMICS
KS L 3318-1998 METHODS FOR CHEMICAL ANALYSIS OF FINE SILICON NITRIDE POWDERS FOR FINE CERAMICS
KS L 3318-2001 METHODS FOR CHEMICAL ANALYSIS OF FINE SILICON NITRIDE POWDERS FOR FINE CERAMICS
KS L 1613-2023 Methods for chemical analysis of fine silicon nitride powders for fine ceramics

CZ-CSN

CSN 65 4836-1983 Minerál fertilizers Methode for determination of total nitrogen content

SCC

VDI 2456-2004 Measurement of gaseous emissions — Reference method for the determination of the sum of nitrogen monoxide and nitrogen dioxide — Ion chromatographic method
NS-EN 14211:2012 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
DANSK DS/EN 14211:2012 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
VDI 2456-2004 Measurement of gaseous emissions — Reference method for the determination of the sum of nitrogen monoxide and nitrogen dioxide — Ion chromatographic method
NS-EN 14211:2005 Ambient air quality — Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence

CU-NC

NC 24-63-1986 Inorganic Chemical Products. Nitrogen. Purity Determination by Orsat Anaiyzer Method
NC 24-64-1986 Inorganic Chemical Products Nitrogen, Determination of Oil Content

GOSTR

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

Standard Association of Australia （SAA）

AS 2300.1.2.2:1988 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of nitrogen - Nitrogen fractions from milk

German Institute for Standardization

DIN EN 14211:2022-11 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence; German and English version prEN 14211:2022 / Note: Date of issue 2022-09-30*Intended as replacement for DIN EN 14211 ...
DIN EN 14211:2012-11 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence; German version EN 14211:2012 / Note: To be replaced by DIN EN 14211 (2022-11).
DIN EN 14211:2005 Air quality — measurement method for determining the concentration of nitrogen dioxide and nitrogen monoxide using chemiluminescence

AT-ON

ONORM L 1095-2002 Chemical analyses of soils - Determination of total nitrogen by dry combustion
ONORM L 1091-1999 Chemical analysis of soils - Determination of inorganic nitrogen Nmin-method

Association Francaise de Normalisation

NF EN 14211:2012 Ambient air - Standard method for measuring the concentration of nitrogen dioxide and nitric oxide by chemiluminescence
NF EN ISO 21814:2022 Technical ceramics - Methods for chemical analysis of aluminum nitride powders
NF EN ISO 17947:2023 Technical ceramics - Methods for the chemical analysis of fine silicon nitride powders

Spanish Association for Standardization (UNE)

UNE-EN 14211:2013 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
UNE-EN 14211:2006 Ambient air quality - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence

Lithuanian Standards Office

LST EN 14211-2012 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence

Danish Standards Foundation

DS/EN 14211:2012 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
DS/EN 12698-1:2007 Chemical analysis of nitride bonded silicon carbide refractories - Part 1: Chemical methods

VN-TCVN

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

European Committee for Standardization (CEN)

prEN 14211 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence

TR-TSE

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

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