Food Analytical Methods

, Volume 11, Issue 9, pp 2538–2546 | Cite as

Solid-Phase Microextraction and Determination of Tin Species in Beverages and Food Samples by Using Poly (ε-Caprolactone-b-4-Vinyl Benzyl-g-Dimethyl Amino Ethyl Methacrylate) Polymer in Syringe System: a Multivariate Study

  • Rizwan Ali Zounr
  • Mustafa Tuzen
  • Baki Hazer
  • Muhammad Yar Khuhawar


A new solid-phase microextraction (SPμE) procedure has been developed for separation and preconcentration of Sn ions by using graphite furnace atomic absorption spectrometry (GFAAS). This technique is based on the complexation of Sn(IV) ions with 1-(2-pyridylazo)-2-naphthol (PAN). The poly (ε-caprolactone-b-4-vinyl benzyl-g-dimethyl amino ethyl methacrylate) polymer (PCL vacr) was used as an adsorbent, and it was loaded in micropipette tip of syringe system. Sn(IV) ions were adsorbed on polymer at pH 6. Different experimental conditions were optimized such as pH, amount of complexing agent, and amount of adsorbent. The detection limit (LOD), limit of quantification, preconcentration factor (PF), and relative standard deviation (RSD) were found as 4.5 ng L−1, 13.5 ng L−1, 100, and 3.3%, respectively. Certified reference materials were used to confirm the accuracy of the investigated procedure, and the procedure was successfully practiced for determination of entire concentration of tin within beverages and different food samples.


Tin species SPμE PCL vacr Syringe system Food samples GFAAS 


Funding Information

Rizwan Ali Zounris gratefully acknowledge the financial support from TUBITAK, Government of Turkey, through the 2216 fellowship program for the foreign citizens and providing financial support. Dr. Mustafa Tuzen thank the Gaziosmanpasa University and King Fahd University of Petroleum and Minerals, Research Institute, Center for Environment and Water for their supports. He also thank the Turkish Academy of Sciences for the financial support.

Compliance with Ethical Standards

Conflict of Interest

R. A. Zounr declares that he has no conflict of interest. Mustafa Tuzen declares that he has no conflict of interest. Baki Hazer declares that he has no conflict of interest. M. Y. Khuhawar declares that he has no conflict of interest.

Ethical Approval

This research does not have any studies with human subjects or animals performed by any of the authors.

Informed Consent

Not applicable.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Rizwan Ali Zounr
    • 1
    • 2
  • Mustafa Tuzen
    • 1
    • 3
  • Baki Hazer
    • 4
  • Muhammad Yar Khuhawar
    • 2
  1. 1.Faculty of Science and Arts, Chemistry DepartmentGaziosmanpasa UniversityTokatTurkey
  2. 2.Institute of Advanced Research Studies in Chemical SciencesUniversity of SindhJamshoroPakistan
  3. 3.Research Institute, Center for Environment and WaterKing Fahd University of Petroleum and MineralsDhahranSaudi Arabia
  4. 4.Faculty of Science and Arts, Chemistry Department and Faculty of Engineering, Departments of Metallurgical and Materials EngineeringNano Technology EngineeringZonguldakTurkey

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