The effect of the organic solvent on the transport of lead ions through a bulk liquid membrane containing dicyclohexano-18-crown-6 (DC18C6) as carrier was studied. Chloroform, 1,2-dichloroethane, chlorobenzene, nitrobenzene and their binary solutions were employed as solvents. SCN-, NO3 -, Cl- and CH3COO- were used as anions. The selectivity and the efficiency of lead transport from aqueous solutions containing other cations such as Ni2+, Cu2+, Co2+, and Zn2+ were also investigated.(20 refs)
Effect of mixed solvent on selective removal of lead (II) ions by dicyclohexano-18-crown-6 from aqueous solutions containing heavy metals
PALMAS, SIMONETTA;
2002-01-01
Abstract
The effect of the organic solvent on the transport of lead ions through a bulk liquid membrane containing dicyclohexano-18-crown-6 (DC18C6) as carrier was studied. Chloroform, 1,2-dichloroethane, chlorobenzene, nitrobenzene and their binary solutions were employed as solvents. SCN-, NO3 -, Cl- and CH3COO- were used as anions. The selectivity and the efficiency of lead transport from aqueous solutions containing other cations such as Ni2+, Cu2+, Co2+, and Zn2+ were also investigated.(20 refs)
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