期刊
JOURNAL OF CHROMATOGRAPHY A
卷 1069, 期 2, 页码 271-274出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chroma.2005.01.087
关键词
sodium dodecyl sulfate; gamma-alumina; micelle; admicelle; polyaromatic hydrocarbon; HPLC
Polyaromatic hydrocarbons (PAHs) in water were concentrated into sodium dodecyl sulfate (SDS)-gamma-alumina and di-2-ethylhexyl sodium sulfosuccinate (Aerosol-OT, AOT)-gamma-alumina admicelles. The comparison of the binding constants (K-ad[={adsorbed concentration of the solute (mol/g surfactant)}/{the concentration in the bulk aqueous phase (mol/ml)}] indicated almost the same extraction abilities of the both admicelles. However, better and more reproducible recovery was obtained in the concentration of PAHs into the SDS-gamma-alumina admicelle. PAHs in tobacco smoke that were trapped in water were successfully concentrated into SDS-gamma-alumina admicelle for the HPLC analysis. (c) 2005 Elsevier B.V. All rights reserved.
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