属于分配层析或吸附层析,仅适用于分析分离挥发性和低挥发性物质。固定相是在惰性支持物(如磨细的耐火砖)上覆盖一层高沸点液体,如硅油、高沸点石蜡和油脂、环氧类聚合物。
将分子气化后,再利用其对固体吸附剂的亲和性不同来分分子,此方法 又称「气相层析(Gas Chromatography),气化的样品送至线圈处的通 常是惰性气体,如氮气、氦气、氩气等。 6.
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气相层析仪 gas chromatograph 气相层析-质谱仪 gas chromatograph-mass spectrometer; GCMS 气相层析-核磁共振谱仪 gas chromatograph-nuclear magnetic resonance spectrometer; GC/NMR ..
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...hromatograph-mass spectrometer; GCMS 气相层析-核磁共振谱仪 gas chromatograph-nuclear magnetic resonance spectrometer; GC/NMR 集气器 gas collector ..
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本文利用103型气相层析仪与电子计算机联接,分析了丙烯氨氧化合成丙烯腈的液体产物。
The liquid product from the ammoxidation of propene to acrylonitrile was analyzed by means of coupling the Type 103 gas chromatograph with a computer.
第五章,采用高速匀浆法提取、柱层析法净化技术,成功建立了气相色谱质谱法同时测定银杏叶中5种有机磷农药残留量的方法。
Chapter five: A simple and rapid method was used to determine the residues of 5 organophosphorus pesticides in Ginkgo Biloba leaves by gas chromatography-mass spectrometry (GC-MS).
结果用改良的薄层层析法分析多糖的单糖组成,得到清晰的图谱,与气相色谱法结果一致。
Results Distinct figures indicating the monosaccharide composition of polysaccharides obtained by the modified TLC were well consistent with those from GC method.
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