A thermal desorption method for analysis of the volatile components on carbon particles,which were produced by the combustion of diesel oil,has been developed.The collection equipment of carbon particles was designed and the pyrolysis instrument was used as the thermal desorption equipment.The collected carbon particles were injected into the pyrolysis instrument and desorbed at the temperature of 700 ℃.All the volatile components were analyzed by gas chromatography-mass spectrometry(GC-MS).The results showed that the volatile component on carbon particle could be rapidly analyzed.The method provided a guidance to the further research of the burning behaviors of the diesel oil.
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