温度对新车车内污染物的研究分析
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摘要
本文采用二次热解吸-毛细管气相色谱/质谱联用及高效液相色谱法分别对4辆同批次生产的新车车厢内的可挥发性有机物(VOCs)和醛酮类污染物随温度变化情况进行测定和分析。结果表明,车内空气污染物具有积累性,且随温度升高积累性越明显。暴晒模式下车内空气中各污染物浓度急剧上升,与常温模式相比暴晒模式下醛酮类总量增长了180.91%,VOCs总量增长了81.01%。
Volatile organic compounds and Carbonyls existing in the cabins of 4 new mid- range cars with the different temperatures were quantified by using thermal desorption- capillary gas chromatography/mass spectrometry and high- performance liquid chromatography.The results showed that with the temperature raised,the concentration of the pollutants in- car is accumulated more obviously.On exposure mode,the concentrations of in- car pollutants are increased sharply.Compared with normal temperature mode,the total of carbonyls increased by 180.91%and the total of VOCs increased by 81.01%.
引文
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