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In the present study, trace quantities of copper(II) and zinc(II) ions in natural water, herbal and food samples was separated, preconcentrated and determined by a new nanocomposite. The nanocomposite was prepared by immobilization of diphenylcarbazone on SBA-15 nanoparticles coated with anionic surfactant sodium dodecyl sulfate. In order to investigate the effectiveness and size of the surface, SBA-15...
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