%0 Journal Article
%T Direct Determination of Polychlorinated-Biphenyls in Automotive Shredder Residues by Gas Chromatography-Mass Spectrometry
%A Mar¨Şa de los D. E. Otero
%A Mohamed N. K. Sayadi
%A Luis Mar¨Şa Polo D¨Şez
%J Journal of Analytical Sciences, Methods and Instrumentation
%P 90-97
%@ 2164-2753
%D 2013
%I Scientific Research Publishing
%R 10.4236/jasmi.2013.32011
%X <p align=\"justify\">
	<span><span style=\"font-family:Verdana;\">An easy and rapid method is proposed for the determination of PCBs in automotive shredder residues, using gas chromatography combined with low resolution mass spectrometry (GC-MS). It is based on direct n-hexane </span><span style=\"font-family:Verdana;\">solid-liquid extraction</span><span style=\"font-family:Verdana;\">, subtracting background of the lineal aliphatic hydrocarbon interferences and integration of chromatographic peaks containing selected ion PCBs masses (256, 292 and 326 m/z), which are common in all PCBs formulations. Recoveries were in the 80</span></span><span style=\"font-family:Verdana;\">% </span><span style=\"font-family:Verdana;\">-</span><span> </span><span style=\"font-family:Verdana;\">120% range; PCBs were detected and quantified in shredder samples from an automotive shredder industry, thus indicating the validity of the method</span><span style=\"font-family:Verdana;\">.</span><span> </span>
</p>
%K PCBs
%K Solid-Liquid Extraction
%K Automotive Shredder Residues
%K Gas Chromatography-Mass Spectrometry (GC-MS)
%U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=32362