PDF《环境中多环芳烃（ PAHs）的来源与监测分析方法》

2 次, 合并萃取液并转移至旋 转蒸发仪上, 在30℃、 13000kPa 真空条件下浓缩至 3~ 4mL, 经吹氮仪定容至 1mL.再将定容液经过硅胶柱 进行净化.硅胶柱采用湿法装柱, 称取 130℃下活化 12h 后的硅胶 10g 在二氯甲烷中拌匀后均匀装柱, 再用40mL 石油醚淋洗后备用.净化浓缩液经 GC- MS- SIM 或HPLC- UV/FLD 测定多环芳烃. [参考文献] [1] Ronald Harkov, Arthur Greenberg, Faye Darack, et al. Sum- mertime variations in polycyclic aromatic hydrocarbons at four sites in New Jersey [J]. Environ. Sci. Technol,1984,18: 287- 291. [2] Hideshige Takada, Tomoko Onda, Norio Ogura. Determina- tion of polycyclic aromatic hydrocarbons in urban street dusts and their source materials by capillary gas chromatog- raphy[J]. Environ. Sci. Technol, 1990,24:1179- 1186. [3] Brown J R, Field R A, Goldstone M E, et al. Polycyclic aromatic hydrocarbons in central London air during

1991 and 1992[J]. The Science of Total Environment, 1996, 177:73- 84. [4] XiaoBai Xu, Shao Gang Chu, Ning Song. Application of chromatographic studies of air pollution in China[J]. Journal of Chromatograph A, 1995,710:21- 37. [5] Schnelle- Kreis Jü rgen, Gebefü gi Istvan, Welzl Gerhard, et al. Occurrence of particle- associated polycyclic aromatic hy- drocarbons in ambient air of the city of Munich [J]. Atmo- spheric Environment, 2001, 35(1): S71- S81. [6] Gour- Cheng Fang, Cheng- Nan Chang, Yuh- Shen Wu, et al. Characterization, identification of ambient air and road dust polycyclic aromatic hydrocarbons in central Taiwan [J]. Taichung, Science of the Total Environment, 2004,327:135-146. [7] Yongjian Liu, Lizhong Zhu, Xueyou Shen, et al. Polycyclic aromatic hydrocarbons (PAHs) in indoor and o........