Reduction of Cd(II) on a dropping mercury electrode was used to study interaction of p-cyclodextrin with Cd(II) ions. It was found that Cd(II) forms Cdbeta-CD(OH)(2)(2-) hydroxy-complex with the anion of beta-cyclodextrin in alkaline solutions (pH > 11), the logarithm of stability constant being 10.4 +/- 0.1 (20 degreesC; I = 1.0). The calculated value of the diffusion coefficient equal to 1.0 x 10(-6) cm(2)/S shows a large size Cd(II) complex species formation in alkaline solutions containing P-CD. (C) 2003 Elsevier B.V. All rights reserved.
机构:
Islamic Azad Univ, Fac Pharmaceut Chem, Tehran Med Sci, Dept Organ Chem, Tehran, IranIslamic Azad Univ, Fac Pharmaceut Chem, Tehran Med Sci, Dept Organ Chem, Tehran, Iran
Shahi, Masoumeh
Falahati, Donya
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Islamic Azad Univ, Fac Pharmaceut Chem, Tehran Med Sci, Dept Organ Chem, Tehran, IranIslamic Azad Univ, Fac Pharmaceut Chem, Tehran Med Sci, Dept Organ Chem, Tehran, Iran
机构:
Islamic Azad Univ, Fac Pharmaceut Chem, Tehran Med Sci, Dept Organ Chem, Tehran, IranIslamic Azad Univ, Fac Pharmaceut Chem, Tehran Med Sci, Dept Organ Chem, Tehran, Iran
Shahi, Masoumeh
Falahati, Donya
论文数: 0引用数: 0
h-index: 0
机构:
Islamic Azad Univ, Fac Pharmaceut Chem, Tehran Med Sci, Dept Organ Chem, Tehran, IranIslamic Azad Univ, Fac Pharmaceut Chem, Tehran Med Sci, Dept Organ Chem, Tehran, Iran