Chemistry

Service

VSL provides Primary Reference Gas Mixtures that are used worldwide to make gas composition measurements traceable and comparable. These internationally accepted mixtures are used in both industrial and environmental analyses in a wide field of applications. Typical applications vary from volatile organic compounds to natural gas. VSL is strong in the calibration of gas monitors and the analysis of gas mixtures of third parties in addition to the supply of gas mixtures.

Method

The gas mixtures are prepared via gravimetric methods (ISO 6142) and validated by comparison with standard gas mixtures. Gas mixtures of third parties are analysed and are also compared with these standard gas mixtures. The method described in ISO 6143 is used for the comparison. VSL reports the linearity over the desired measurement range for gas monitors.

Applications and clients

Most suppliers of specialty gases use the Primary Reference Gas Mixtures from VSL to underpin their quality system and to provide their clients with international traceability. For example: the calorific value, which relates directly to the price of natural gas, is determined by both buyer and seller with a gaschromatograph traceably calibrated to VSL.

More information

For more information about this service, feel free to contact our Sales and Planning staff. They will be pleased to provide you with an adequate and expert answer. Please send an email to vsl@vsl.nl or you can call +31 15 269 15 50.