Optical fiber based methodology for assessment of thiocyanate in seawater |
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| Authors: | Silva Lurdes I B Justino Celine I L Lopes Isabel Pereira Ruth Freitas Ana Cristina Calado Ricardo Rocha-Santos Teresa A P Panteleitchouk Teresa S L Pereira Maria E Duarte Armando Costa |
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| Institution: | CESAM & Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal. lisilva@ua.pt |
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| Abstract: | A new methodology for the assessment of thiocyanate (SCN(-)) is proposed based on optical fiber (OF) detection coupled to a liquid chromatography system (LC). The developed methodology showed an adequate performance for the analysis of SCN(-) comparable to a high performance liquid chromatography with UV detector (HPLC-UV) methodology: a detection limit of 3 μg L(-1), a linear range from 4 to 400 μg L(-1), and an analytical time of less than 6 min. The OF based methodology was of compact design and easy operation. This simple system has the potential to be used as a sensing approach for SCN(-) in seawater. |
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