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Calibration Gases  [ Return towards  Emissions Monitoring  ]

Stable, Accurate & Traceable

Air Liquide offers a wide variety of pure gases & calibration gas standards for emissions monitoring and environmental compliance. Air Liquide have the solutions and understand the stringent requirements of the market sectors...

  • Test Houses
  • Analyser Manufacturers
  • Process Operators
  • Analytical Laboratories

  • Bespoke calibration gas mixtures from ppb to % concentration levels
  • Gravimetrically or Analytically traceable to (Inter)National Standards.
  • Uncertainties from +/-1% to +/-5%
  • Variety of cylinder sizes available, 200bar fill pressure with British Standard (BS) valves
  • Long stability of gas mixtures ranging from 3 years to 1 year
  • HF and HCl stable mixtures
  • Participation in Global Proficiency Testing Schemes
  • Certificates of Analysis supplied in accordance to ISO6141

VOC Control Gas

In accordance to EN12619 5.2.5

Gas Matrix Concentration Range
Methane

 

 Nitrogen 2.0mg/m3

 
Ethane 1.5mg/m3
Toluene 0.5mg/m3
Benzene 0.5mg/m3
Methylene Chloride 0.5mg/m3
Carbon Monoxide 50.0mg/m3
Oxygen 11%
Carbon Dioxide

 

 11%

 
Gas Mixtures
• CO • O2 • CO2 • CnHm
• NO • HCl • NO2 • HF
• SO2 • VOC Control Gas • NH3

10ltr and 40ltr aluminium cylinders,
filled to 200bar where applicable

 

 

Conversion Factors (0ºC and 101.kPa) ppm / mg Nm3
NO NO2 SO2 CH4 CO CO2 NH3 HCl HF
1.340 2.054 2.860 0.716 1.250 1.965 0.760 1.628 0.893

Customer Oriented Solution Driven

At Air Liquide we offer our clients a rounded service to help them identify which gases they require based upon their individual needs. There are endless gas mixtures available, we want to help you make the right choice for your gas supply.

Products and Services

Pure gases

Choosing Between Accredited and Non-Accredited Gas

more info

See detail

Contact Us

For more information about Air Liquide UK Ltd and the services we can offer your industry contact us:

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