Journal
ANALYTICAL METHODS
Volume 6, Issue 2, Pages 419-425Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ay41413b
Keywords
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Funding
- University Malaya [RP006A-13SUS]
- IPPP grant [PS370 2010B, PV130 2012A]
- Ministry of Higher Education Malaysia (MOHE) [UM-MOHE UM.C/625/1/HIR/MOHE/F00004-21001]
- Universiti Malaysia Terengganu
- MOHE
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In this study, two methods have been applied to the extraction of parabens from aqueous solution these are ionic liquid based aqueous two-phase extraction (IL-ATPS) and ionic liquid based aqueous two-phase extraction in the presence of beta-cyclodextrin (beta-CD) as the modifier (IL-beta CD-ATPS). The IL-beta CD-ATPS method consists of 1-butyl-3-methylimidazolium chloride, [C(4)mim][Cl] and beta-CD. It is a new, green and simple extraction technique coupled with reversed-phase high performance liquid chromatography (RP-HPLC) that was applied to optimize conditions for the phase separation of parabens in water samples. The IL-beta CD-ATPS method shows higher losses for water content compared to the IL-ATPS method resulting in a higher preconcentration factor and a higher distribution coefficient. A lower limit of detection of parabens in water samples was demonstrated by the IL-beta CD-ATPS method. To conclude, the IL-beta CD-ATPS method is superior to the IL-ATPS method for the determination of parabens in water samples. It is an economically viable approach when using beta-CD because it improves the performance of the ATPS method dramatically. In addition, this chemical is cheap and non-toxic to the environment.
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