Solvent bar microextraction. Export

@article{citeulike:6014235, abstract = {In this work, a new and simple microextraction method termed solvent bar microextraction (SBME) was developed. In this method, the organic extractant solvent (1-octanol) was confined within a short length of a hollow fiber membrane (sealed at both ends) that was placed in a stirred aqueous sample solution. Tumbling of the extraction device within the sample solution facilitated extraction. Pentachlorobenzene (PCB) and hexachlorobenzene (HCB) were used as model compounds to investigate the extraction performance. Analysis was carried out by gas chromatography/electron capture detection. This new method provided very high enrichment (approximately 110-fold for PCB and approximately 70-fold for HCB) in 10 min and good reproducibility (<4\%, n = 6). Since the hollow fiber membrane was sealed, it could be used for extraction from "dirty" samples, such soil slurries. This novel microextraction method was compared with single-drop microextraction and static hollow fiber membrane microextraction in which the extractant solvent was also held within a hollow fiber but with the latter fixed to a syringe needle (i.e., there was no tumbling effect). Comparison between SBME and conventional solid-phase microextraction in a soil slurry sample was also investigated.}, author = {Jiang, Xianmin and Lee, Hian Kee K.}, citeulike-article-id = {6014235}, citeulike-linkout-0 = {http://www.biomedexperts.com/Abstract.bme/15362925}, citeulike-linkout-1 = {http://dx.doi.org/10.1021/ac040069f}, citeulike-linkout-2 = {http://pubs.acs.org/doi/abs/10.1021/ac040069f}, citeulike-linkout-3 = {http://view.ncbi.nlm.nih.gov/pubmed/15362925}, citeulike-linkout-4 = {http://www.hubmed.org/display.cgi?uids=15362925}, day = {15}, doi = {10.1021/ac040069f}, issn = {0003-2700}, journal = {Analytical chemistry}, keywords = {bar, solvent}, month = {September}, number = {18}, pages = {5591--5596}, posted-at = {2009-11-13 21:10:24}, priority = {4}, title = {Solvent bar microextraction.}, url = {http://dx.doi.org/10.1021/ac040069f}, volume = {76}, year = {2004} }

TY - JOUR ID - citeulike:6014235 L3 - citeulike-article-id:6014235 N2 - In this work, a new and simple microextraction method termed solvent bar microextraction (SBME) was developed. In this method, the organic extractant solvent (1-octanol) was confined within a short length of a hollow fiber membrane (sealed at both ends) that was placed in a stirred aqueous sample solution. Tumbling of the extraction device within the sample solution facilitated extraction. Pentachlorobenzene (PCB) and hexachlorobenzene (HCB) were used as model compounds to investigate the extraction performance. Analysis was carried out by gas chromatography/electron capture detection. This new method provided very high enrichment (approximately 110-fold for PCB and approximately 70-fold for HCB) in 10 min and good reproducibility (<4%, n = 6). Since the hollow fiber membrane was sealed, it could be used for extraction from "dirty" samples, such soil slurries. This novel microextraction method was compared with single-drop microextraction and static hollow fiber membrane microextraction in which the extractant solvent was also held within a hollow fiber but with the latter fixed to a syringe needle (i.e., there was no tumbling effect). Comparison between SBME and conventional solid-phase microextraction in a soil slurry sample was also investigated. IS - 18 JF - Analytical chemistry SN - 0003-2700 EP - 5596 TI - Solvent bar microextraction. VL - 76 SP - 5591 KW - bar KW - solvent AU - Jiang, Xianmin AU - Lee, Hian Kee PY - 2004/09/15/ UR - http://dx.doi.org/10.1021/ac040069f ER -