采用顶空自动进样、气相色谱-质谱联用的方法分析醪糟的头香成分。
Top note compounds of Laozao were analyzed by using headspace sampler and GC-MS.
介绍了自行研制的13 C 质谱仪自动进样器的工作原理、结构和性能。
The working principle, configuration and performance of an autosampler of 13 C mass spectrometer used for expiration gas analysis are described.
方法：采用外标法顶空自动进样，在非极性弹性毛细管柱上进行分离，效果良好。
Methods: auto - injection using external standard headspace method, which make the component can be separated at the nonpolar elastic capillary column, the result is good.
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