Metallic Coatings in Solid-Phase Microextraction: Environmental Applications

  • Idaira Pacheco-Fernández
  • Adrián Gutiérrez-Serpa
  • Ana M. Afonso
  • Verónica Pino


Solid-phase microextraction (SPME) is a non-exhaustive extraction and preconcentration technique based on the partitioning of the compounds present in a sample to a sorbent material. The sorbent material is immobilized onto the surface of a solid support, forming a SPME fiber of roughly 1 cm long and few micrometers of thickness. This microextraction approach is simple, solvent-free, fast, portable, it provides high preconcentration factors, and it can be automated easily. The main disadvantage of SPME is linked to the relatively low number of fibers commercially available, which limits the selectivity and applicability of this extraction method. In this sense, current trends are focused on the development of novel sorbent coatings for SPME. Among novel materials explored up-to-date, metal-based coatings have been successfully exploited in environmental analysis. They are characterized by high mechanical, chemical and thermal stability, ease of preparation and enhanced extraction performance.


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Copyright information

© Springer International Publishing AG 2018

Authors and Affiliations

  • Idaira Pacheco-Fernández
    • 1
  • Adrián Gutiérrez-Serpa
    • 1
  • Ana M. Afonso
    • 1
  • Verónica Pino
    • 1
  1. 1.Departamento de Química, Unidad Departamental de Química AnalíticaUniversidad de La Laguna (ULL)TenerifeSpain

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