纯水-顶空毛细柱气相色谱法分析废气中的甲醇

纯水吸收气体中的甲醇,采用顶空毛细柱气相色谱法进行分析。重点对顶空毛细柱气相色谱法测定甲醇的分析条件进行试验探讨。实验结果表明,采用纯水-顶空毛细柱气相色谱法测定甲醇方法简便,标准曲线具有良好的线性回归,方法的灵敏度、精密度、准确度较高,符合现代仪器的发展趋势。

Pure water- headspace capillary gas chromatography analysis of methanol in the exhaust

Using pure water to absorb methanol in exhaust gas, and gas chromatography on capillary columns with headspace sampler to analyze. Focus on the analysis conditions for the determination of methanol. The experimental results show that it＇ s easy to use pure water - gas chromatography on capillary columns with headspace method for the determination of methanol. The standard curve has good linear regression. The method is sensitive, precision aad accuracy, at the same time within the development trend of modern instrument.