فهرس المقالات Potentiometrically حرية الوصول المقاله صفحة الملخص نص كامل 1 - Potentiometeric study of protonation and complex formation of some amino acids with Zn (II) , Co(II) and Ni (II) in aqueous solution Mohammad Mazloum-Ardakani Sharam Lotfi Jahan B. Ghasemi