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Updated: Jun 28, 2026

Clean Sampling and Analysis of River and Estuarine Waters for Trace Metal Studies
Published on: July 1, 2016
Preconcentration of heavy metals ions from aqueous solutions by means of cellulose phosphate: an application in water
P de Magalhães Padilha1, J C Rocha, J C Moreira
1Departamento de Química, Instituto de Biociências, UNESP, C.P.-510, Botucatu-SP, 18610-000, Brazil.
Abstract:
Cellulose phosphate (CELLPHOS) was studied as a collector for analytical preconcentration of traces of Cd(II), Cr(III), Cu(II) and Ni(II) from aqueous sample solution. It has been proved that using chromatographic columns packed with CELLPHOS for preconcentration and 1.0 mol 1(-1) HCl for elution the adsorbed analytes are quantitatively enriched. An enrichment factor of 20 (100 ml sample, 5 ml concentrate) was achieved by this separation procedure, which was applied to a series of water analyses (river, sea, bog water).
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