Quantitative Analysis of Trace C_1-C_5 Hydrocarbons by Absorption/Thermal Desorption Gas Chromatography
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Graphical Abstract
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Abstract
The trace C1~C5 hydrocargbons can be enriched by adsorbents-activatal carbon, TDX-01,Tenax GC, Polapak Q or GDX-104 in ambient temperature and be introduced directly to a capillary column without using a cryogenic trap.The optimum temperature of thermal desorption, the saturated adsorptive capcity and recovery of these adsorbents were investigated.
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