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Ultrasound assisted supramolecular liquid phase microextraction procedure for Sudan I at trace level in environmental
Mustafa Soylak1,2,3, Özgür Özalp1,2, Furkan Uzcan1,2
1Department of Chemistry, Faculty of Sciences, Erciyes University, Kayseri Turkey.
Abstract:
A method based on supramolecular liquid phase microextraction has been developed for the preconcentration and determination of trace levels of Sudan I. 1-decanol and tetrahydrofuran were used as supramolecular solvent components. Trace levels of Sudan I were extracted into the extraction solvent phase at pH = 4.0 Analytical parameters such as pH value, supramolecular solvent volume, ultrasonication, centrifugation, model solution volume, matrix effects have been optimized. The limit of detection and the limit of quantification values for Sudan I were calculated as 1.74 μg L-1 and 5.75 μg L-1, respectively. In order to determine the accuracy of the method, addition and recovery studies were carried out to environmental samples.
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