Abstract
The concentration of metal ions(Cd2 * Cu2+ Pb2+ Mn2+ Zn2* and Fe3+) on 1-phenyl-3-methyl-4-stearoy1-5-pyrazo-lone(Cl8) loaded on silica gel(Cl8/SG) was investigated by batch and column methods. At pH values higher than 6, these metals were quantitatively retained on C18/SG. The adsorbent did not change its retention efficiency for the metals for at least 6 adsorption/elution cycles. Results of determinations of these metals in environmental samples were satisfactory.
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Tong, A., Akama, Y. Preconcentration of Trace Metals with 1-Phenyl-3-Methyl-4-Stearoyl-5-Pyrazolone Loaded on Silica Gel. ANAL. SCI. 7 (Suppl 1), 83–86 (1991). https://doi.org/10.2116/analsci.7.Supple_83
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DOI: https://doi.org/10.2116/analsci.7.Supple_83