作者:E. Leonhardt、R. Stahl
DOI:10.1021/ac9710083
日期:1998.3.1
Polycyclic aromatic hydrocarbons were extracted from a soil sample using ultrasound and dichloromethane−, cyclohexane−, and toluene−water mixtures. It was found that when dichloromethane is used as an extractant, acenaphthylene reacts with the solvent. Several chlorinated and oxygenated derivatives were identified. The results show that chlorinated solvents should be avoided because of their sonolytic decomposition. Particularly unsaturated nonaromatic compounds might react with intermediate decomposition radicals of the solvent.
使用超声波和二氯甲烷、环己烷和甲苯-水混合物从土壤样本中提取多环芳烃。研究发现,当二氯甲烷用作萃取剂时,苊烯会与溶剂发生反应。已鉴定出几种氯化衍生物和含氧衍生物。结果表明,应避免使用氯化溶剂,因为它们会发生声解。特别是不饱和非芳香族化合物可能会与溶剂的中间分解基团发生反应。