@article{article_288389, title={Determination of bisphenol A in plastic bottle packaging beverage samples using ultrasonic-assisted extraction and flame atomic absorption spectrometry}, journal={Journal of the Turkish Chemical Society Section A: Chemistry}, volume={4}, pages={607–630}, year={2017}, DOI={10.18596/jotcsa.288389}, author={Yıldırım, Emre and Altunay, Nail and Gürkan, Ramazan}, keywords={Bisphenol A,promethazine,preconcentration,beverage samples,human health,flame atomic absorption spectrometry}, abstract={<p class="MsoNormal" style="text-align:justify;line-height:115%;"> <span lang="en-gb" style="font-family:’Times New Roman’, serif;" xml:lang="en-gb">In this work, a versatile and simple ultrasound-assisted
extraction (UAE) procedure, which provides high separation efficiency for
bisphenol A, was developed for its indirect determination in beverages in
contact with plastic containers by flame atomic absorption spectrometry (FAAS). </span> <span lang="en-gb" style="font-family:’Times New Roman’, serif;" xml:lang="en-gb"> The method is based on
charge transfer reaction, in which bisphenol A reacts with Cu(II) in alkaline
tartrate solutions of pH 8.0 to produce Cu(I), which reacts with ion-pairing
reagent, <span style="color:rgb(33,33,33);"> </span>promethazine <span style="color:rgb(33,33,33);"> being a phenothiazine derivative (PMZ),
in presence of cetyltrimethylammonium bromide (CTAB) </span>. </span> <span lang="en-gb" style="font-family:’Times New Roman’, serif;" xml:lang="en-gb">For the indirect determination of bisphenol A using FAAS,
the signal change of Cu(II) was investigated in detail depending on bisphenol A
concentration. At optimal conditions, </span> <span lang="en-gb" style="font-family:’Times New Roman’, serif;" xml:lang="en-gb"> </span> <span lang="en-gb" style="font-family:’Times New Roman’, serif;" xml:lang="en-gb">the analytical features of the
method were obtained as follows; linear ranges of 1.5-100 µg L <sup>-1 </sup>for
direct aqueous calibration solutions and 3-125 µg L <sup>-1 </sup>for matrix
matched calibration solutions; <sup> </sup>the limits of detection and
quantification of 0.47 and 1.56 µg L <sup>-1 </sup>; sensitivity enhancement and
preconcentration factors of 135 and 150, respectively. </span> <span lang="en-gb" style="font-family:’Times New Roman’, serif;" xml:lang="en-gb"> </span> <span lang="en-gb" style="font-family:’Times New Roman’, serif;" xml:lang="en-gb">The validity of method was tested by
repeatability/reproducibility precision studies using standard addition method. </span> <span lang="en-gb" style="font-family:’Times New Roman’, serif;" xml:lang="en-gb"> </span> <span lang="en-gb" style="font-family:’Times New Roman’, serif;" xml:lang="en-gb">As the last, the method was successfully applied to determination
of bisphenol A in selected samples. </span> </p> <p> </p>}, number={2}, publisher={Turkish Chemical Society}