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Sample preparation for chromatographic analyses. Liquid sample processing

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Sample preparation is an essential step in chromatographic analysis. Several liquid sample preparations as (micro)extractions are indicated in the presentation, with mathematical characterization and different practical examples.

Supplementary references

Potentiometric measurement using ion-selective electrodes

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Electrochemical methods are widely used for different analytical application. During the presentation, there will be information about the classification of electrochemical methods, with a special focus on potentiometric analysis. Several examples of ion-selective electrodes are indicated and detailed.

Supplementary references

  • Lindner E, Pendley BD. A tutorial on the application of ion-selective electrode potentiometry: an analytical method with unique qualities, unexplored opportunities and potential pitfalls; tutorial. Anal Chim Acta. 2013 Jan 31;762:1-13. DOI: 10.1016/j.aca.2012.11.022.

Liquid sample preparation – dispersive liquid-liquid microextraction

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Characteristics of dispersive liquid-liquid microextraction are indicated during the presentation. The presentation combined theoretical data and experimental demonstration.

Supplementary references

  • Rezaee M, Yamini Y, Faraji M. Evolution of dispersive liquid-liquid microextraction method. J Chromatogr A. 2010 Apr 16;1217(16):2342-57. DOI: 10.1016/j.chroma.2009.11.088.