Headspace solid-phase microextraction for determination of micellar solubilization of methyl tert-butyl ether (MTBE)

Headspace analysis using solid-phase microextraction (SPME) was tested as a rapid method to evaluate micellar solubilization of methyl tert-butyl ether (MTBE) with sodium dodecyl sulfate (SDS) and cetylpyridinium chloride (CPC). At equilibrium between aqueous phase and vapor phase, free MTBE in vapor phase (i.e., not solubilized MTBE by SDS or CPC) was analyzed by GC-FID (Hewlett Packard 5890 series II) equipped with a capillary HPI column (30 mx0.25 mm). This method showed a good analytical performance such as linearity of calibration curve and precision (RSD less than 5%). Extent of MTBE solubilization was expressed as a function of molar ratio of SDS to MTBE and CPC to MTBE, and was saturated at about 57% and 37% with over the value of ratio 13 for SDS and CPC, respectively. This technique can be applied to analyze micellar solubilization potential of various surfactants on volatile and semi-volatile compounds.
Publisher
KOREAN INST CHEM ENGINEERS
Issue Date
2003-07
Language
ENG
Keywords

ENHANCED ULTRAFILTRATION; WATER; SURFACTANT; SPECTROMETRY; CONTAMINANTS

Citation

KOREAN JOURNAL OF CHEMICAL ENGINEERING, v.20, no.4, pp.698 - 701

ISSN
0256-1115
URI
http://hdl.handle.net/10203/84669
Appears in Collection
CBE-Journal Papers(저널논문)
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