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A simple, low-cost and sensitive method for the determination of phthalate acid esters (PAEs) in beer has been developed based on solid-phase microextraction (SPME) followed by gas chromatography using a novel sol–gel calixarene-contained fiber. Generally speaking, matrix interference is one of the most important problems that researchers have to face when quantifying trace compounds in the complicated...
A headspace solid-phase microextraction, in conjunction with gas chromatography using a novel sol–gel calix[6]arene-contained fiber for the determination of phthalate acid esters in non-alcoholic beverages is described for the first time. A Taguchi’s L25 (56) orthogonal array experimental design was introduced to optimize the extraction parameters such as extraction temperature, extraction time, salt...
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