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Metal ion binding capability of the water‐soluble poly(vinyl phosphonic acid) for mono‐, di‐, and trivalent cations
Author(s) -
Rivas Bernabé L.,
Pereira Eduardo,
Gallegos Paola,
Homper Daniela,
Geckeler Kurt E.
Publication year - 2004
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.20246
Subject(s) - metal , polymer , metal ions in aqueous solution , ion , divalent metal , divalent , polymer chemistry , inorganic chemistry , phase (matter) , chemistry , vinyl polymer , materials science , monomer , organic chemistry
A water‐soluble polymer containing phosphonic acid groups was investigated as a polychelatogen by using the liquid‐phase polymer‐based retention technique (LPR) under different experimental conditions. The maximum retention capacity of this polymer was determined at different pHs and polymer–metal ion ratios. The metal ions investigated were Ag(I), Cu(II), Co(II), Ni(II), and Cr(III). The maximum retention capacity values of the divalent metal ions were very similar and higher than those for the trivalent cations, indicating that the polymer–metal ion interaction was basically through electrostatic type. © 2004 Wiley Periodicals, Inc. J Appl Polym Sci 92: 2917–2922, 2004