LPG (Liquefied Petroleum Gas)

LPG (Liquefied Petroleum Gas)For more than 25 years VSL is preparing Calibration Gas Mixtures. The hierarchy chain in traceable gas mixtures starts with a suite of highly accurate Primary Standard Gas Mixtures (PSMs). These standards are produced by gravimetric methods from high purity gases that have been analysed extensively on possible impurities. Extensive maintenance programmes including stability studies are important parts of a rigorous Quality Assurance programme. This programme is accredited against ISO/IEC17025 and ISO Guide 34. In most cases, these standards cover the full range of composition from low ppm up to percentage level and are blended as binary mixtures and also as multi component gas mixtures.

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