Journal
MICROCHEMICAL JOURNAL
Volume 167, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.microc.2021.106335
Keywords
Herpetocypris brevicaudata; Copper; Cobalt; Manganese; Powder biosorbent
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Powdered ostracod carapace of the species (Herpetocypris brevicaudata) loaded on Amberlite XAD-4 resin was used as a biosorbent for determining concentrations of trace metal ions in water samples. Optimum pH values for Cu(II), Co(II) and Mn(II) were around 10.0. The sorption capacity of AXAD-4 resin loaded with H. brevicaudata was evaluated for Cu(II), Co(II) and Mn(II) with satisfactory results.
Powdered ostracod carapace of the species (Herpetocypris brevicaudata), an invertebrate aquatic crustacean, loaded on Amberlite XAD-4 resin, were tested as a biosorbent to determine concentrations of trace metal ions (Cu (II), Co(II), Mn(II)) in water samples prior to UV-VIS spectrophotometric analyses. Effects of sample pH, volume, type and volume of eluent, matrix interference, and flow rate of sample and eluent were examined to investigate optimum biosorption conditions of the trace metal ions. Optimum pH values for Cu(II), Co(II) and Mn(II) were around 10.0. Metals were desorbed with 1 M HCl (recovery, 90-100% and high precision; SD < 5%). Sorption capacity of AXAD-4 resin loaded with H. brevicaudata was 0.71, 0.23 and 0.64 mmol g(-1) for Cu(II), Co(II) and Mn (II), respectively. Performances of the new sorbent were evaluated using certified reference material (TMDA-70.2 Ontario Lake Water).
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