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Application of a new dithizone grafted polymeric adsorbent for solid phase microextraction of manganese and copper prior to FAAS in fortified vegetables and barbecue samples

Songül Ulusoy, Ahmet Demirbaş, Adil Elik, Nail Altunay, Gökhan Sarp, Erkan Yılmaz, and Halil İbrahim Ulusoy

Department of Pharmacy, Vocational School of Health Service, Cumhuriyet University, Sivas, Turkey

 

E-mail: naltunay@cumhuriyet.edu.tr

Received: 16 February 2022  Accepted: 26 May 2022

Abstract:

A new potential solid phase material called as dithizone@PAA was synthesized for first times, characterized and utilized as an easy versatile polymeric sorbent for the shake-assisted dispersive solid-phase micro-extraction of Mn(II) and Cu(II) ions from fortified vegetables and barbecue samples followed by flame atomic absorption spectrometry. The proposed approach is based on batch type solid phase extraction of Mn(II) and Cu(II) ions prior to their flame atomic absorption analysis (FAAS). All experimental variables were examined and optimized in detail. Using the optimized values, the dynamic linear range for Mn(II) and Cu(II) ions was 0.70–150.00 and 0.20–125.00 ng mL−1, respectively, and the limits of detection for Mn(II) and Cu(II) ions were 0.20 and 0.06 ng mL−1, respectively. The preconcentration factor was 50 for both analytes. The relative standard deviations of 3.1% and 2.5% were obtained at 75.00 ng mL−1 level of Mn(II) and Cu(II) ions. The precision and accuracy of the proposed method were investigated by the certified reference materials via intraday and inter-day studies. Finally, the results showed that the method was successfully applied for determining Mn (II) and Cu (II) ions in selected food samples with good recoveries.

Keywords: Solid-phase microextraction; Flame atomic absorption spectrometry; Manganese; Copper; Fortified vegetables; Barbecue samples

Full paper is available at www.springerlink.com.

DOI: 10.1007/s11696-022-02303-z

 

Chemical Papers 76 (10) 6153–6165 (2022)

Monday, May 27, 2024

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