Check oxygen and nitrogen

Check oxygen and nitrogen, Total:67 items.

The international standard classification for "Check oxygen and nitrogen" includes: Ambient atmospheres , Other cutting tools , Refractories , Gases for industrial application , Textile fabrics .

The Chinese standard classification for "Check oxygen and nitrogen" includes: Environmental monitoring instrument and its complete equipment , Industrial gas and chemical gas , Cutting tools , Material Protection , Crime judging technology , Other refractory material , Basic standards and general methods , Environmental sanitation , Chemical reagent in general , Chemical Measurement .

Taiwan Provincial Standard of the People's Republic of China

CNS 3943-1976 Method for Determination of Organic Nitrogen in Poliuted and Waste Water
CNS 14747-2003 Method of test for fertilizers(Determination of guanidine nitrogen content)
CNS 3942-1976 Methods for Determination of Ammonia Nitrogen in Polluted and Waste Water
CNS 13199-1993 Method of Test for Nitrogen Oxides in Ambient Air (Chemiluminescence Method)
CNS 4085-1977 Method of Test for Oxides of Nitrogen in Exhaust Gases:(PDS (Phenol Disulfonic Acid) Method)
CNS 8449-2001 Method of Test for Fertilizers: Determination of Nitrogen Content
CNS 4084-1977 Method of Test for Nitrogen Dioxide in Exhaust Gases (Saltzman Method)
CNS 9016-1982 Method of Test for Colour Fastness to Nitrogen Oxides
CNS 3944-1976 Method for Determination of Total Kjeloahl Nitrogen in Polluted and Waste Water
CNS 1289-1960 Method of Test for Leather (Nitrogen Content Test)
CNS 13200-1993 Method of Test for Nitrogen Dioxide in Ambient Air (Modified Griess - Saltzman Method)
CNS 2681-1966 Method of Test for Compressed Nitrogen in Cylinder

Professional Standard - Coal

MT/T 220-1990 Inspection specifications for carbon monoxide and nitrogen oxides in the exhaust of explosion-proof diesel machinery used in coal mines
MT 272-1994 Detector Tube for Nitrogen Oxide
MT/T 272-1994 Nitrogen oxide detection tube
MT 220-1990 Coal mine explosion-proof diesel engine exhaust carbon monoxide nitrogen oxides inspection specification

Professional Standard-Ships

CB 1019.3-1982 Detection Tube for Nitrogen Oxide

Professional Standard - Machinery

JB/T 6427-2015 PSA oxygen and nitrogen plants
JB/T 3912-2013 Quality inspection of steam treatment and oxynitride for high-speed steel cutting tools
JB/T 6075-1992 Titanium Nitride Coatings Metallographic Examination Method

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

GB/T 12372-1990 Standard method for examination of nitrogen dioxide in air of residential areas--Modified Saltzman method
GB/T 14600-2009 Gas for electronic industry - Nitrous Oxide
GB/T 28729-2012 Nitrous oxide
GB/T 43241-2023 Forensic sciences—Examination methods for nitrous oxide—Gas chromatography-mass spectrometry
GB/T 11039-1989 Textiles; Test for colour fastness to nitrogen oxides
GB/T 32329-2015 Test method for oxidation resistance of oxynitride materials―Non-isothermal oxidation

Professional Standard - Agriculture

GB 4845-1984 Methods of determination for helium

中华人民共和国国家卫生和计划生育委员会

GB 12372-1990 Standard method for examination of nitrogen dioxide in air of residential areas-Modified Saltzman method

Group Standards of the People's Republic of China

T/CMA HG101-2023 calibration method for gas detectors and alarms of nitric oxide, nitrogen dioxide (measuring range 0 μmol/mol～500 μmol/mol) for mining

National Metrological Technical Specifications of the People's Republic of China

JJF 1873-2020 Calibration Specification for Diesel Vehicle Nitrogen Oxides(NOx) Measuring Instruments

Chongqing Provincial Standard of the People's Republic of China

DB50/T 833-2017 Determination of nitrogen oxides in ambient air (nitrogen monoxide and nitrogen dioxide) by chemiluminescence

Professional Standard - Commodity Inspection

SN/T 1037-2002 Method for the determination of lime nitrogen for import and export

National Metrological Verification Regulations of the People's Republic of China

JJG 801-1993 Chemiluminescent No/NOX Analyzer

海关总署

SN/T 1037-2020 Method for the inspection of Lime nitrogen for import and export

Professional Standard - Education

JY/T 0435-2011 Nitrogen dioxide ball

HU-MSZT

MSZ 12000/13.lap-1968 Definition of hard coal for laboratory testing Nitrogen; Chlorine; Oxygen; Arsenic
MNOSZ 260-12.lap-1955 Experiments to detect sewage nitrogen and organic nitrogen
MSZ 21853/10-1979 Definition and Periodic Methods for Air Pollution Detection of Nitric Oxide and Nitrogen Dioxide Emission Bands
MSZ 21456/31-1983 Air gas pollution detection. Nitrogen hydroxide detection automatic analysis
MSZ 21 853/10-1979 Detection of air pollution sources. Determination of mixtures of nitric oxide and nitrogen dioxide using staged tools
MSZ 21 853/11-1979 Detection of air pollution sources. Selective determination of nitric oxide and nitrogen dioxide using staged tools

American Society for Testing and Materials (ASTM)

ASTM E3351-22 Standard Test Method for Detection of Nitric Oxide Production In Vitro

German Institute for Standardization

DIN 51444:2020-10 Testing of petroleum products - Determination of nitrogen - Oxidative combustion method with chemiluminescence detector

GSO

GSO 1149:2002 Test methods of nitrous oxide gas for medical purposes.
OS GSO 1149:2002 Test methods of nitrous oxide gas for medical purposes.

SCC

BS DD ENV 12260:1996 Water quality. Determination of nitrogen. Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
NS-EN 12260:2003 Water quality — Determination of nitrogen — Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
DANSK DS/EN 12260:2003 Water quality – Determination of nitrogen – Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
AS 1871.10:1976 List of methods for examination of waters Nitrogen (ammonia)
CSA Z223.24-M1983-1983(R1999) Method for the Measurement of Nitric Oxide and Nitrogen Dioxide in Air

European Committee for Standardization (CEN)

DD ENV 12 260-1996 Water Quality - Determination of Nitrogen - Determination of Bound Nitrogen, After Combustion and Oxidation to Nitrogen Dioxide, Using Chemiluminescence Detection

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 12260:2003(2008)*BS 6068-2.83:2003 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
BS EN 12260-2003(2008)*BS 6068-2.83:2003 Water quality — Determination of nitrogen — Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
BS EN 12260:2003 Water quality. Determination of nitrogen. Determination of bound nitrogen (TN<sub>b</sub>), following oxidation to nitrogen oxides

Korean Agency for Technology and Standards (KATS)

KS M 1047-2009 Nitrogen monoxide and nitrogen dioxide(standard reference materials)
KS M 1047-2019 Nitrogen monoxide and nitrogen dioxide(standard reference materials)

BR-ABNT

ABNT MB-1146-1979 Magnesium oxide method to detect ammonia nitrogen in fertilizers

Japanese Industrial Standards Committee (JISC)

JIS K 0516:1995 Nitrogen monoxide and nitrogen dioxide (Standard reference materials)
JIS L 0855:2005 Test methods for colour fastness to nitrogen oxides
JIS L 0855:1998 Test methods for colour fastness to nitrogen oxides
JIS L 0855:1992 Testing methods for colour fastness to nitrogen oxides

Lithuanian Standards Office

LST EN 12260-2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides

Danish Standards Foundation

DS/EN 12260:2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides

AENOR

UNE-EN 12260:2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides

Association Francaise de Normalisation

NF T90-060:2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TN sub b), following oxidation to nitrogen oxides.

DIN

DIN 51444:2020 Testing of petroleum products - Determination of nitrogen - Oxidative combustion method with chemiluminescence detector