Good air quality is the premise of sustainable development of human society, and ensure air quality in all areas of human life, it is necessary to control emissions from industry, human life. Accurate, stable and traceable calibration gas is a necessary prerequisite for the smooth operation of air quality monitoring.

Most of the reference material meeting the requirements of air quality monitoring and control standards are available, as listed below. Meanwhile other calibration gases can be customized as required by customers.

RM

Sepc.

Appliable   standard


RM Cert.No.

concentration

Relative  

Expanded

Uncertainty

Standard   NO.


RM of NO2   in N2

GBW(E)061528

10.0~1000(μmol/mol)

2%(k=2)

HJ 693-2014   Stationary source emission determination of nitrogen oxides-fixed potential   by electrolysis method


HJ   692-2014  Stationary   source emission determination of nitrogen oxides-Non-dispersive infrared   absorption method


BWDT1102

5~9.9(μmol/mol)

3%(k=2)



0.3~4.9(μmol/mol)

5%(k=2)



RM of NO in   N2

GBW(E)061529

10.0~1000(μmol/mol)

2%(k=2)

HJ 693-2014   Stationary source emission determination of nitrogen oxides-fixed potential   by electrolysis method


HJ   692-2014  Stationary   source emission determination of nitrogen oxides-Non-dispersive infrared   absorption method


JJG   801-2004 Chemiluminescent NO/NOx Analyzers


BWDT1101

5~9.9(μmol/mol)

3%(k=2)



0.3~4.9(μmol/mol)

5%(k=2)



RM of   CO,CO2Propane NO in N2O

GBW(E)062002

NO 100~499(μmol/mol)

2%(k=2)

GB   18285-2018 Limits and measurement methods for emissions from gasoline   vehicles under two-speed idle conditions and short driving mode conditions


Propane

 100~990(μmol/mol)
   CO  5000~9900(μmol/mol)

1.5%(k=2)


NO  500~5000(μmol/mol)
   propane1000~50000(μmol/mol)
  CO 1%~10%
   CO 1%~15%

1%(k=2)


N2AirSO2

GBW(E)062157

1.00~299(μmol/mol)

2%(k=3)

JJG   551-2003-Sulfur Dioxide Gas Detectors


HJ   57-2017 Stationary source emission-determination of sulfur dioxide   -Fixed potential electrolysis method


HJ   629-2011 Stationary source emission-determination of sulphur   dioxide-Non-dispersive infrared absorption method


300~3000(μmol/mol)

1%(k=3)

HJ/T   46-1999 Technical   conditions of detector of sulphur dioxide concentration for constant   potential electrolysis method


BWDT0130

0.2~0.99(μmol/mol)

4%(k=2)



N2AirH2S

GBW(E)062156

1.00~3000(μmol/mol)

2%(k=3)

JJG   695-2003-Sulfur Hydrogen Gas detectors


0.100~0.999(μmol/mol)

3%(k=3)


MT 1084   2008 Coal mine hydrogen sulfide alarm detector


1.00~49.9(μmol/mol)

2%(k=3)

GB/T   14678-93 Air   quality-Determination of sulfuretted hydrogen, methyl sulfhydryl, dimethyl   sulfide and dimethyl disulfide -Gas chromatography


50.0~999(μmol/mol)

1%(k=3)


BWDT0131

0.05~0.099(μmol/mol)

10%(k=3)



RM of CH4   in Air

GBW(E)060678

1.00~4999.9(μmol/mol)

2%(k=2)

HJ   1012-2018 Ambient air and stationary source emission -specifications and test   procedures for hydrocarbons, methane and nonmethane hydrocarbons portable   total monitoring instrument.


5000~30000    (μmol/mol)

1%(k=2)

HJ   1013-2018 specifications and test procedures for nonmethane hydrocarbons   continuous emission monitoring system in stationary sources


HJ 38-2017   Stationary source emission-determination of total hydrocarbons, methane and   nonmethane hydrocarbons-Gas chromatography


HJ 604-2017   Ambient air-determination of total hydrocarbons, methane and nonmethane   hydrocarbons-direct injection/Gas chromatography


Rm of   Propane in Air

GBW(E)062248

1.00~100(μmol/mol)

2%(k=2)

HJ   1013-2018 Specifications and test procedures for nonmethane hydrocarbons   continuous emission monitoring system in stationary sources  


100~10000(μmol/mol)

1%(k=2)


RM of   propane in N2

GBW(E)062249

1.00~100(μmol/mol)

2%(k=2)


100~10000(μmol/mol)

1%(k=2)


RM of CO in   air

GBW(E)062250

5.00    ~499(μmol/mol)

2%(k=2)

GB/T    18204.2-2014  Examination methods for public places-part 2:   chemical pollutants


500~50000(μmol/mol)

1%(k=2)

GB 9801-88 Air quality-Determination of   carbon monoxide- Non-dispersive infrared spectrometry


HJ   965-2018 Ambient air-Automatic determination of carbon monoxide   -Non-dispersive infrared spectrometry method


RM of CO in   N2

GBW(E)062251

5.00    ~499(μmol/mol)

2%(k=2)

HJ   973-2018 Stationary source emission-Determination of carbon   monoxide-Fixed potential by electrolysis method  


500~50000(μmol/mol)

1%(k=2)

HJ/T   44-1999 Stationary   source emission-Determination of carbon monoxide-Non-dispersive infrared   absorption method



RM of CO2   in N2

GBW(E)062587

2.00~499(μmol/mol)

2%(k=2)

GB/T    18204.2-2014 Examination methods for public places-Part 2:   chemical pollutants


GBW(E)062588

500~10000(μmol/mol)

1%(k=2)


RM of CO2   in air

GBW(E)062589

2.00~499(μmol/mol)

2%(k=2)

HJ 870-2017 Stationary   source emission-Determination of carbon dioxide -Non-dispersive infrared   absorption method


GBW(E)062590

500~10000(μmol/mol)

1%(k=2)


RM of NH3   in air

GBW(E)062288

5.00    ~4990(μmol/mol)

2%(k=2)

JJG   1105-2015 Ammonia Gas Detectors


5000~50000(μmol/mol)

1%(k=2)


RM of NH3   in N2

GBW(E)062289

5.00    ~4990(μmol/mol)

2%(k=2)


5000~50000(μmol/mol)

1%(k=2)


BWDT0133

1~4.99(μmol/mol)

3%(k=2)



RM of Cl2   in air

GBW(E)062290

5.00~100(μmol/mol)

2%(k=2)

JJF 1433-2013 Calibration   Specification for chlorine alarm detectors


RM of cl2   in air

GBW(E)062291

5.00~100(μmol/mol)

2%(k=2)


BWDT1201

2~4.99(μmol/mol)

3%(k=2)


RM of HCL   in air

GBW(E)062378

5.00~1000(μmol/mol)

2%(k=2)



RM of HCL   in N2

GBW(E)062379

5.00~1000(μmol/mol)

2%(k=2)


BWDT0127

3.00~4.99(μmol/mol)

3%(k=2)


RM of HF in   N2/air

BWDT1202

3~1000(μmol/mol)

3%(k=2)



RM of O2 in   N2

GBW(E)062593

5%~30%

1%(k=2)

JJG   365-2009 Electrochemical Oxygen Meter


RM of   isobutene in N2

GBW(E)062583

1.00~499(μmol/mol)

2%(k=2)

JJGyue035-2017 Benzene Gas   Detectors


GBW(E)062584

500~10000(μmol/mol)

1%(k=2)