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Carlos Rey Castro
Associate Professor
Department of Chemistry, School of Agri-Food and Forestry Science and Engineering (ETSEA), Universitat de Lleida, Av. Rovira Roure 191. 25198 Lleida (SPAIN)
+34 973 70 28 38
+34 973 70 29 24
Carlos Rey Castro
Development and interpretation of analytical techniques for the assessment of chemical speciation and availability of inorganic elements, nanomaterials, and antibiotics in natural waters, soils, culture media and food
  • Electrochemical techniques:
    • Potentiometric titration with Ion Selective Electrodes (ISE)
    • Techniques based on Anodic Stripping Voltammetry (ASV), e.g.: Absence of Gradients and Nernstian Equilibrium Stripping (AGNES), for the measurement of free metal ion concentrations of certain elements (Zn, Cd, Pb, Cu, Sn, In, Ga, Tl, etc.) in aqueous (or hydroalcoholic) solutions.
  • Passive samplers:   
    • Diffusion Gradients in Thin Films (DGT) devices plus ICP-MS (inorganic species) or LC-MS (organic compounds) analysis of eluates. To be deployed in natural/wastewaters, soils and sediments.
  • Nanomaterial characterization:   
    • Dynamic Light Scattering (DLS) and Laser-Doppler Electrophoresis (Zeta potential).
  • Colloid/nanoparticle fractionation techniques:  
    • Asymmetric Flow Field-Flow Fractionation (AF4) coupled to UV / DLS / ICP-MS detectors.
  • Speciation modelling software:   
    • MINEQL, Visual MINTEQ, WHAM, development of MATLAB codes of NICA-Donnan model.

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