A DMSO-based Cleanup Procedure for Determination of PCBs in Waste Oil
The selective extraction of aromatic species with dimethylsulphoxide (DMSO) permits accurate (85-95% recovery) and precise (5-10% CV) determination of PCB congeners in hydrocarbon waste oils. The applicability of the method has been evaluated over a concentration range of 50-2000 ppb.
B. Larsen et al., "A DMSO-based Cleanup Procedure for Determination of PCBs in Waste Oil," Chemosphere, Elsevier, Jan 1991.
The definitive version is available at http://dx.doi.org/10.1016/0045-6535(91)90132-W
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