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نمایش تعداد 1-10 از 11
Construction of Ion selective electrode for Yttrium(III) Based on Dibenzo-18-crown-6
for measuring the yttrium(III) ion activity by using dibenzo-18-
crown-6 in aqueous solutions.Dibenzo-18-crown-6 (DB18C6) 3% has been used as membrane carrier (ionophore), nitrobenzene (NB) as plasticizer 65%,
sodium tetraphenyl borate...
thermodynamics of ZrO2+ cation complexation with dibenzo-18-crown-6 in mixed nonaqueous solvents
since the time pedersen published the first report on crown compounds in 1967,[1] these compounds have been considered for a wide rang of applications including enzyme models, biophysics and medicine [2].
Study of complexation process between Dibenzo-18-crown-6 and Yttrium(III) cation in binary mixed non-aqueous solvents using conductometric technique
The complexation reaction between Y3+ cation with macrocyclic ligand dibenzo-18-crown-6 (DB18C6), was studied in pure acetonitrile (AN), dimethylformamide (DMF), methanol (MeOH), ethanol (EtOH) and propanol (PrOH) and acetonitriledimethylformamide...
Study of Complex Formation of Dibenzo-18-Crown-6 with Ce3+, Y3+, UO2+ 2 and Sr2+ Cations in Acetonitrile–Dioxane Binary Solvent Mixtures
The complexation reactions of dibenzo-18-crown-6 (DB18C6) with Ce3+, Y3+, UO2+2 and Sr2+ cations were studied in acetonitrile–dioxane (AN–dioxane) binary solvent solutions at different temperatures by the conductometric method. The stability...
A Conductometric Study of Complexation Reactions Between Dibenzo-18-Crown-6 with
+ and Ba2+ cations with themacrocyclic ligand, dibenzo-18-crown-6 (DB18C6), inpure acetonitrile and dimethylformamide and theirbinary mixtures were studied at different temperature susing coductometric method. In all cases, DB18C6 forms 1:1 complexes...
Thermodynamic study of complex formation between dibenzo-18-crown-6 and UO2+ cation in different non-aqueous binary solutions
In the present work the complexation process between UO22+cation and the macrocyclic ligand, dibenzo-18-crown-6 (DB18C6) was studied in ethylacetate–dimethylformamide (EtOAc/DMF), ethylacetate–acetonitrile (EtOAc/AN), and ethylacetate...
stability of dibenzo-18-crown-6 complexes with Ce3+ , Y3+ , UO22+ and Sr2+ cations in acetonitrile-Dimethylformamide binary solutions.
crown ethers noted fot their remarkable selectivity towards specific cations making them excellent choices for the separation of desired ions from mixture by solvent extraction and membrane transport [1,2].
Thermodynamic Behavior of Complexation Process between Dibenzo-18-Crown-6 and K+, Ag+, NH4+, and Hg2+Cations in Ethylacetate-Dimethylformamide Binary Media
The complexation reactions between K+,Ag+, N and Hg2+ cationsandthe macrocyclic ligand, dibenzo -18- crown -6 ( DB 18 C 6), were studied in ethylacetate ( EtOAc )– dimethylformamide ( DMF ) binary mixtures at different temperatures using...
Complexation study of dibenzo-18-crown-6 with UO22+ cation in binary mixed nonaqueous solutions
The complexation reaction of macrocyclic ligand, dibenzo-18-crown-6 (DB18C6) with UO22+ cation Was studied in ethylacetate-1,2-dichloroethane (EtOAc/DCE), acetonitrile-1,2 dichloroethane (AN/DCE), methanol-1,2-dichloroethane (MeOH/DCE) and ethanol-1...
A Conductometric Study of Complexation Reactions Between Dibenzo-18-Crown-6 (DB18C6) with Cu2+, Zn2+, Tl+ and Cd2+ Metal Cations in Dimethylsulfoxide–Ethylacetate Binary Mixtures
The complex formation between Cu2+, Zn2+, Tl+ and Cd2+ metal cations with macrocyclic ligand, dibenzo- 18-crown-6 (DB18C6) was studied in dimethylsulfoxide (DMSO)–ethylacetate (EtOAc) binary systems at different temperatures using conductometric...