Application of photothermal deflection spectroscopy for the determination of iron(II) with ferrozine with sorption preconcentration on Silufol

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Conference Proceeding

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Photothermal deflection spectroscopy was applied for selective detection of the intensely coloured iron(II) chelate with ferrozine on Silufol plates. The linearity range was 1 × 10-11 - 6 × 10-8 mol cm-2 of chelate at the plate surface, which corresponded to 1 × 10-9 - 4 × 10-6 M of chelate in solution. The limits of detection and quantification are 8 × 10-12 and 20 × 10-12 mol cm-2 at the plate from 15 μL of test solution (0.5 nM and 1.5 nM in solution, respectively), which corresponded to n × 10-18 mol absolute amounts of the chelate at the detection zone. © EDP Sciences/Societé Italiana di Fisica/Springer-Verlag 2008.

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European Physical Journal: Special Topics

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