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METHOD FOR ADAPTING THE CONCENTRATION OF A SAMPLE GAS IN A GAS MIXTURE TO BE ANALYSED BY A GAS CHROMATOGRAPH ASSEMBLY, AND CHROMATOGRAPH ASSEMBLY THEREFOR
METHOD FOR ADAPTING THE CONCENTRATION OF A SAMPLE GAS IN A GAS MIXTURE TO BE ANALYSED BY A GAS CHROMATOGRAPH ASSEMBLY, AND CHROMATOGRAPH ASSEMBLY THEREFOR
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机译:用气相色谱仪组件和色谱仪组件在待分析的气体混合物中调整样品气体浓度的方法
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摘要
Method for adapting the concentration of a sample gas in a gas mixture to be analysed by a gas chromatograph assembly (10), the gas chromatograph assembly (10) comprising a sample gas inlet (20) for introducing a sample gas to be analysed, a secondary gas inlet (40), a gas chromatograph infrared sensor (12), a gas chromatograph column (26), and a gas chromatograph bypass (28) parallel to the column (26), characterized by a) introducing an amount of sample gas through the sample gas inlet (20), b) introducing an amount of secondary gas through the secondary gas inlet (40), c) mixing the sample gas and the secondary gas to a gas mixture and conducting the gas mixture via the gas chromatograph bypass (28), d) circulating the gas mixture in a gas conducting loop (52) comprising the gas chromatograph bypass (28), the gas chromatograph infrared sensor (12) and not comprising the gas chromatograph column (26), e) analysing the gas mixture thus obtained by means of gas chromatography employing the gas chromatograph column (26) and the gas chromatograph infrared sensor (12).
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