Electrochemical Sensing System Based on MnFe2O4/rGO for Simultaneous Determination of Trace Amount Pb2+ and Cd2+ in Spice Samples

 Shahnaz Davoudi Shahnaz Davoudi , Mohammad Hadi Givianrad Mohammad Hadi Givianrad , Mohammad Saber-Tehrani Mohammad Saber-Tehrani , Parviz Aberoomand Azar Parviz Aberoomand Azar
Российский электрохимический журнал
Abstract / Full Text

This study describes the construction of a new electrochemical sensor and applies for simultaneous determination of Pb2+ and Cd2+. This sensor was prepared using a new nanocomposite base on MnFe2O4 and rGO. The linear ranges were obtained 0.04–3.8 µg L–1 for Pb2+ and 0.09–9.2 µg L–1 for Cd2+. The detection limit was calculated 0.012 µg L–1 for Pb2+ and 0.023 µg L–1 for Cd2+. This sensor was successfully applied for the determination of Pb2+ and Cd2+ ions in different kind of spices.

Author information
  • Department of Chemistry, Science and Research Branch, Islamic Azad University, Tehran, Iran

    Shahnaz Davoudi, Mohammad Hadi Givianrad, Mohammad Saber-Tehrani & Parviz Aberoomand Azar

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