The insoluble organic fraction (IOF) and the soluble organic fraction (SOF) were separated for each particulate sample and the SOF was analyzed through the GC/MS technique.

• 对采集的微粒样品进行了不可溶性有机组分(IOF)和可溶性有机组分(SOF)的分离，利用色谱-质谱联用技术对SOF进行了色谱分析。