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AConductometric study of complexation reaction between benzo-15- crown-5 and Al3+ cation in some pure and binary mixed non- aqueous solvents
The complexation reaction between the macrocyclic ligand, benzo- 15- croun-5 (B15C5) with Al3+ cation was studied in pure methanol (MeOH), propanol (PrOH), methylacetate (MeOAc), ethylacetate (EtOAc) and their binary mixed ...
A PPy-B15C5 modified lanthanum (III) electrode in acetonitrile and its thermodynamic application
Polypyrrole modified electrode prepared by electropolymerization of pyrrole in the presence of a complexing ligand, benzo-15-crown-5 (B15C5), was prepared and investigated as a La3+- selective electrode in acetonitrile. The potentiometric response...
Selective uranyl ion detection by polymeric ion selective electrodes based on benzo-15-crown5
Ion selective electrodes(ISEs)are currently finding a widespread use for direct determination of ions inenvironmental Analysis[1-4].In compared to otheranalytical sensors,ion selective electrodes haveadvantages including ...
A thermodynamic study of interaction of Na+ cation with benzo-15-crown-5 in binary mixed non-aqueous solvents
The complexation reaction between benzo-15-crown-5 (B15C5) with Na? cation was studied in acetonitrile– methanol (AN–MeOH), tetrahydrofuran–methanol (THF–MeOH), acetonitrile–tetrahydrofuran (AN–THF) and nitromethane–dimethylformamide (NM–DMF) binary...
Carbon paste ion selective electrode based on 15-benzo crown-5 and carbon nanotubes for determination of silver
A carbon paste ion selective electrode based on benzo15-crown-5 as an ionophore is proposed for determination of silver in real samples. Important factors such as the amounts of benzo15-crown-5, carbon nanotube as modifier, paraffin as binder...
Thermodynamic Study of Complex Formation Between Benzo-15-Crown-5 and phenylaza-15-crown-5 with La3+ Cation in Different Non-aqueous Binary Solutions
) and acetonitrile-chloroform (AN/CHCl3) binary solutions. Phenylaza-15-crown-5 forms a 1:1 complex [M:L] with La3+ cation, but in the case of benzo-15-crown-5 ligand, a 1:2 [M:L2] complex is formed in some binary solutions. The stability of the complexes...
Solvent influence upon complex formation between benzo-15-crown-5 and Mg2+, Ca2+ and Sr2+ cations in some pure and binary mixed solvents
The complexation reaction between Mg2+, Ca2+ and Sr2+ cations with the macrocyclic ligand, benzo-15-crown-5, in pure acetonitrile, water, methanol, and tetrahydrofuran and also in acetonitrile-water, and in methanol-tetrahydrofuran binary mixtures...
Thermodynamic behavior of complexation process between benzo-15-crown-5 with Li+, Na+, K+, and NH4+cations in acetonitrile–methanol binary media
The stability constants of 1:1 (M:L) complexes of benzo-15-crown-5 (B15C5) with Li+, Na+, K+ and NH4+ cations, the Gibbs standard free energies (DGºc), the standard enthalpy changes (DHºc) and standard entropy changes (DSºc) for formation...
Solvent influence upon complex formation between benzo-15-crown-5 and Mg2+, Ca2+ and Sr2+ cations in some pure and binary mixed solvents using conductometric method
The complexation reactions between Mg2+, Ca2+ and Sr2+ cations with themacrocyclic ligand, benzo-15-crown-5 (B15C5), in pure acetonitrile, water, methanol and tetrahydrofuran and also in acetonitrile–water (AN–H2O) and in methanol...