VITAMIN-B(12) DERIVATIVES AS ANION CARRIERS IN TRANSPORT THROUGH SUPPORTED LIQUID MEMBRANES AND CORRELATION WITH THEIR BEHAVIOR IN ION-SELECTIVE ELECTRODES
C. Palet et al., VITAMIN-B(12) DERIVATIVES AS ANION CARRIERS IN TRANSPORT THROUGH SUPPORTED LIQUID MEMBRANES AND CORRELATION WITH THEIR BEHAVIOR IN ION-SELECTIVE ELECTRODES, Analytical chemistry, 65(11), 1993, pp. 1533-1536
Two derivatives of vitamin B12, aquocyanocobalt-(III) heptapropylcobyr
inate (HPC) and aquocyanocobalt-(III) heptamethylcobyrinate (HMC), wer
e synthesized and used as anion carriers in supported liquid membranes
. More efficient transport was observed when the more lipophilic carri
er (i.e., HPC) was used. The effect of several parameters such as the
carrier concentration and the composition of the stripping solution on
the permeability of the membranes were investigated. The properties o
f these transport systems were related to the response behavior of ISE
s that are based on the HPC carrier.