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Diffusivity of Cu 2+ in calcium alginate gel beads: Recalculation
Author(s) -
Lewandowski Z.,
Roe F.
Publication year - 1994
Publication title -
biotechnology and bioengineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.136
H-Index - 189
eISSN - 1097-0290
pISSN - 0006-3592
DOI - 10.1002/bit.260430213
Subject(s) - thermal diffusivity , calcium alginate , calcium , chemistry , materials science , thermodynamics , physics , organic chemistry
Calculations of the diffusivity of Cu 2+ in calcium alginate gel beads using the shrinking core model were checked by us. Corrected results are reported here. Diffusivity was still found to increase with increasing alginate concentration, but at a lower rate than reported in the cited paper. The diffusivity increased by a factor of 2 over the range of alginate concentrations studied rather than 10. The original data is included with sample calculations. © 1994 John Wiley & Sons, Inc.
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