✦ LIBER ✦

Synthesis and characterization of a poly(aminophosphonic acid) chelating resin

✍ Scribed by M.C. Yebra-Biurrun; A. Bermejo-Barrera; M.P. Bermejo-Barrera

Publisher: Elsevier Science
Year: 1992
Tongue: English
Weight: 510 KB
Volume: 264
Category: Article
ISSN: 0003-2670
DOI: 10.1016/0003-2670(92)85295-h

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✦ Synopsis

Prehmmary mvesttgatlons on the apphcatlon of a polystyrene macroretlcular, cross-lmked poly(ammophosphomc acld) resm for the concentration of trace metals from aqueous solutions are reported The pH dependence of metal-resm chelation was determmed for M&I), Ca(II), Fe(III), CrtIII), N1(11), Cu(II), Pb(II), Zn(II) and M&I) The resm exhlblts no affnuty for the alkah metals tested over the pH range 1-14 The resm selectlvlty and capacity were determmed at pH 5 Metals were easily recovered by elutlon with 3 M hydrochloric acid and determmed m the eluate by flame atomx absorption spectrometry

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