An automated system for preconcentration on imprinted polymer and laser diode spectrometric determination of uranium in mineral water samples


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Şahan S. , Şahin U. , Ülgen A. , Hazer O.

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY, no.240, pp.118572, 2020 (Journal Indexed in SCI Expanded)

  • Publication Type: Article / Article
  • Publication Date: 2020
  • Doi Number: 10.1016/j.saa.2020.118572
  • Title of Journal : SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
  • Page Numbers: pp.118572

Abstract

A study,where uraniumwas online enriched and laser diode spectrometry was determined, was performedwith

some bottled mineralwater samples. A uranium-imprinted polymer (PMDU)was synthesized and characterized

for preparation of a specific adsorbent of UO2

2+ cations. The homemade system preconcentrated uranium in

PMDU resin and determined using an Arsenazo III complex at 650 nm in a combined laser diode spectrometer.

All analytical parameters of the system were optimized at 5.5 of the retention pH, 6.0 N HClO4 of eluent concentration,

0.05% of Arsenazo III complex, and a 40mmcoil length. The effect of interferent ionswas also investigated

and LOD and LOQ values were found to be 0.54 and 1.80 ng mL−1 respectively. Sample throughput was 12 h−1,

the preconcentration factor was 50, and RSD% value was 1.1. Certified reference materials of TMDA 52.3 and

TMDA 62.2 were quantitatively analyzed and the proposed method was successfully applied to the bottled mineral

water samples.