Abstract
Flow injection on-line micro-column pre-concentration was coupled with electrothermal atomic absorption spectrometry (ETAAS) for the simultaneous determination of Rh and Pd in environmental samples. The micro-column contained 1,5-Bis(2-pyridyl)-3-sulphophenyl methylene thiocarbonohydrazide (PSTH) immobilised on an anion-exchange resin (Dowex 1 × 8–200). The sorbent was tested in a micro-column, placed in the auto-sampler arm, at the flow rate 3.1 mL/min. Elution was performed with 2 M HNO3 and the system was optimised with a 60 s pre-concentration time.
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Sánchez Rojas, F., Bosch Ojeda, C. & Cano Pavón, J.M. Simultaneous determination of palladium and rhodium using on-line column enrichment and electrothermal atomic absorption spectrometric detection. J Anal Chem 64, 241–246 (2009). https://doi.org/10.1134/S106193480903006X
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DOI: https://doi.org/10.1134/S106193480903006X