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- W2074549497 abstract "Abstract This study investigates a new approach for the amperometric determination of sulfide using a hematoxylin multiwalled carbon nanotubes modified carbon paste electrode (HM‐MWCNTs/CPE). The experimental results show that HM‐MWCNTs/CPE significantly enhances the electrocatalytic activity towards sulfide oxidation. Cyclic voltammetric studies show that the peak potential of sulfide shifted from +400 mV at unmodified CPE to +175 mV at HM‐MWCNTs/CPE. The currents obtained from amperometric measurements at optimum conditions were linearly correlated with the concentration of sulfide. The calibration curve was obtained for sulfide concentrations in the range of 0.5–150×10 −6 mol L −1 . The detection limit was found to be 0.2×10 −6 mol L −1 for the amperometric method. The proposed method was successfully applied to a river water sample in Pardubice, Czech Republic." @default.
- W2074549497 created "2016-06-24" @default.
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- W2074549497 date "2013-06-25" @default.
- W2074549497 modified "2023-10-10" @default.
- W2074549497 title "Determination of Sulfide by Hematoxylin Multiwalled Carbon Nanotubes Modified Carbon Paste Electrode" @default.
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- W2074549497 doi "https://doi.org/10.1002/elan.201300134" @default.
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