Specialty gas calibration mixtures: APAC setting the pace of change


The Greater Mekong sub-region in Southeast Asia is one of the most biodiverse regions on our planet. Six countries from China in the north to Cambodia and Thailand in the south straddle the region. A common approach to environmental protection metrology is therefore essential.

Measurement of pollutant gas emissions is one area where consistency across these six nations can ensure that each country is playing its role in preserving the unique and precious biodiversity and cultural heritage. Atmospheric pollutant gases can damage forests, crops, historic cultural buildings, and elegant natural rock formations.

Monitoring and controlling industrial emissions of sulfur dioxide and oxides of nitrogen requires high precision specialty gas mixtures to calibrate sensitive gas analysers. To ensure regional harmonisation, these gases must be produced according to internationally recognised standards such as ISO17034. Accreditation of the manufacturing processes for the gas mixtures is also an essential brick in the wall to ensure that emissions are within acceptable levels.

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