SODIUM CHLORIDE, UREA AND CREATININE PERMEABILITIES OF IONOMERIC ALGINIC ACID MEMBRANES

Abstract

In this study membranes were prepared from alginic acid(AA) and   their performance in dialysis processes was investigated. Membranes prepared from the sodium salt of   AA   were modified by using solutions containing Zn 2+   and Al 3+   ions. Permeability of   sodium chloride (NaCl), urea (CN 2 H 4 O)   and creatinine (C 4 N 3 H 6 O) were determined by using dialysis method. Zinc ion containing membranes showed high permeability for sodium chloride and creatinine whereas the permeability of urea was found to be high in the case of AA membranes.   Key Words : Alginic acid, membrane, dialysis, permeability, sodium chloride, urea, creatinine