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    Study of Compelex Formation Between 4 -Nitrobenzo-15-Crown-5 and Mg2+, Ca2+, Sr2 

    نوع: Conference Paper
    نویسنده : غلامحسین رونقی; آرزو قائمی; Glamhossein Ronagi
    سال: 2007
    خلاصه:

    of complexation reactions of 4\\\\\\\\\\\\\\'-Nitrobenzo-15-Crown-5 with Mg2+, Ca2+, Sr2+ and Ba2+ metal cations in acetonitrile (AN)-methanol (MeOH) binary systems using the conductometric technique.

    4\\\\\\\\\\\\\\'-Nitrobenzo-15C5 forms 1:1 complexes...

    Study of Complex Formation of Dibenzo-18-Crown-6 with Ce3+, Y3+, UO2+ 2 and Sr2+ Cations in Acetonitrile–Dioxane Binary Solvent Mixtures 

    نوع: Journal Paper
    نویسنده : غلامحسین رونقی; M. Mohajeri; S. Tarahomi; R. Rahmanian; Glamhossein Ronagi
    سال: 2011
    خلاصه:

    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 

    نوع: Conference Paper
    نویسنده : غلامحسین رونقی; آرزو قائمی; محبوبه مسرورنیا; Glamhossein Ronagi
    سال: 2009
    خلاصه:

    ether complexes invarious solvents show that the thermodynamic and kinetic parameters for complexation processes are affected by the nature and composition of the mixed solvents [4,5].In this work, the complexation reactions between Mg2+, Ca2+, Sr2...

    Solvent influence upon complex formation between benzo-15-crown-5 and Mg2+, Ca2+ and Sr2+ cations in some pure and binary mixed solvents 

    نوع: Conference Paper
    نویسنده : غلامحسین رونقی; M. Mohajeri; M. Doaei; آرزو قائمی; Glamhossein Ronagi
    سال: 2010
    خلاصه:

    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...

    stability of dibenzo-18-crown-6 complexes with Ce3+ , Y3+ , UO22+ and Sr2+ cations in acetonitrile-Dimethylformamide binary solutions. 

    نوع: Conference Paper
    نویسنده : غلامحسین رونقی; سمیه ترحمی; رویا رحمانیان قوچانی; Glamhossein Ronagi; somayeh tarahomi; ; غلامحسین رونقی; سمیه ترحمی; رویا رحمانیان قوچانی; Glamhossein Ronagi; somayeh tarahomi
    سال: 2011
    خلاصه:

    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].

    Complexation of 4 -Nitrobenzo-15-Crown-5 with Mg2+, Ca2+, Sr2+and Ba2+Metal Cations in Acetonitrile-Methanol Binary Solutions 

    نوع: Journal Paper
    نویسنده : غلامحسین رونقی; آرزو قائمی; Glamhossein Ronagi
    سال: 2009
    خلاصه:

    The complex formation reactions between Mg2+, Ca2+, Sr2+and Ba2+metal cations with macrocyclic ligand, 4 -nitrobenzo-15C5, were studied in acetonitrile (AN)-methanol (MeOH) binary mixtures at different temperatures using conductometric method...

    Stabilities of alkaline earth metal ion complexes with dicyclohexano-18- crown-6 in acetonitrile-water binary solutions 

    نوع: Journal Paper
    نویسنده : غلامحسین رونقی; رحیمی بجستانی; آرزو قائمی; Glamhossein Ronagi
    سال: 2008
    خلاصه:

    to be 1:1 (ML2+), but in the case of complexation of Ca2+ and Ba2+ cations with DCH18C6 in pure acetonitrile, 1:2 (ML22+) complexes are formed in solutions. Formation constants of 1:1 complexes (ML2+) of DCH18C6 with Mg2+, Ca2+, Sr2+ and Ba2+ metal cations...

    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 

    نوع: Journal Paper
    نویسنده : غلامحسین رونقی; M. Mohajeri; M. Doaei; آرزو قائمی; Glamhossein Ronagi
    سال: 2010
    خلاصه:

    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...

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