Journal of Applied Electrochemistry

, Volume 48, Issue 8, pp 867–883 | Cite as

Diethylenetriamine ion-imprinted silica gel for copper determination in tap water

  • Paulo Cesar Mendes VillisEmail author
  • José Costa Sampaio Filho
  • Wolia Costa Gomes
  • Rita de Cassia Mendonça de Miranda
  • Gilvanda Silva Nunes
  • Fábio Luiz Pissetti
  • Yoshitaka Gushikem
  • Alzira Maria Serpa Lucho
Research Article
Part of the following topical collections:
  1. Sensors


This paper proposes the preparation of a hybrid adsorbent material organically modified with N1-[3-(trimethoxysilyl)propyl]diethylenetriamine and imprinted ionically with Cu(II) ions. The structure of functionalized silica matrix with an organic group containing electron-donating nitrogen atoms allows several applications such as adsorption of metal ions, electrocatalytic studies, and development of electrochemical sensors. The electrochemical behavior of the hybrid material was investigated using a carbon paste electrode in different electrochemical techniques: cyclic voltammetry, differential pulse voltammetry, differential pulse anodic stripping voltammetry, and chronoamperometry. DPASV yielded the best results and linear response to Cu(II) in the concentration range of 6.0 × 10−4 to 5.4 × 10−3 mmol L−1 (R2 = 0.999; n = 9) using a pre-concentration time (tpc) of 1800 s at a reduction potential (Ered) of − 0.51 V versus SCE and a scan rate of 20 mV s−1, with a detection limit estimated at 1.82 × 10−7 mmol L−1. The samples were evaluated using the proposed sensor and a good recovery of Cu(II) was obtained in the range from 92.88 to 110.89%. The proposed method for DPASV was used for Cu(II) determination in samples of tap water, and the results from literature and that of flame atomic absorption spectrometry.

Graphical Abstract


Ion-imprinted Diethylenetriamine Copper(II) Tap water 



This work was supported by the University of CEUMA-UNICEUMA; FAPEMIG (Process CEX-0201/09) and FAPEMA (Process UNIVERSAL-00503/15). PCMV and AMSL are grateful to Prof. Dr. Yoshitaka Gushikem (IQ-UNICAMP, Brazil) for all help and friendship.


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Copyright information

© Springer Science+Business Media B.V., part of Springer Nature 2018

Authors and Affiliations

  • Paulo Cesar Mendes Villis
    • 1
    Email author
  • José Costa Sampaio Filho
    • 1
  • Wolia Costa Gomes
    • 1
  • Rita de Cassia Mendonça de Miranda
    • 1
  • Gilvanda Silva Nunes
    • 2
  • Fábio Luiz Pissetti
    • 3
  • Yoshitaka Gushikem
    • 4
  • Alzira Maria Serpa Lucho
    • 3
  1. 1.Laboratory of Materials and Electrochemistry– LMEUniversity of CEUMA - UNICEUMASão LuísBrazil
  2. 2.Nucleus of Pesticide Residue Analysis- NARPFederal University of Maranhão – UFMASão LuísBrazil
  3. 3.Institute of ChemistryFederal University of Alfenas – UNIFAL-MGAlfenasBrazil
  4. 4.Institute of ChemistryState University of Campinas - UNICAMP, Inorganic ChemistryCampinasBrazil

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