THE CHARACTERIZATION AND TOXICITY OF SEDIMENT CONTAMINATED WITH ROAD RUNOFF

被引：41

作者：

BOXALL, ABA ^{[1
]}

MALTBY, L ^{[1
]}

机构：

[1] UNIV SHEFFIELD,DEPT ANIM & PLANT SCI,SHEFFIELD S10 2UQ,S YORKSHIRE,ENGLAND

来源：

WATER RESEARCH | 1995年 / 29卷 / 09期

关键词：

ROAD RUNOFF; SEDIMENT TOXICITY; TIE; GAMMARUS PULEX; PHOTOBACTERIUM PHOSPHOREUM; PAHS; ALIPHATIC HYDROCARBONS;

D O I：

10.1016/0043-1354(95)00029-K

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The extraction, fractionation and characterization of sediment contaminated with road runoff is described. Wet sediment was successfully extracted with dichloromethane and the extract was separated into three increasingly polar fractions using alumina-silica column chromatography. Each fraction was characterized by GC-MS, GC/MS/i.r. and i.r. spectrophotometry. The first fraction (FA) contained aliphatic hydrocarbons, the second fraction (FB) contained 2-5-ring polycyclic aromatic hydrocarbons (PAHs) and the third fraction (FC) contained substituted phenols and 4- and 5-ring PAHs. The toxicity of each fraction to Photobacterium phosphoreum and Gammarus pulex was assessed. The FA fraction was the most toxic to P. phosphoreum and the FC fraction was the least toxic. In contrast the FB fraction was the most toxic to G. pulex and the other two fractions were not toxic at the concentrations tested.

引用

页码：2043 / 2050

页数：8

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