List of Articles solvents Open Access Article Abstract Page Full-Text 1 - Conductometric study of the complex formation of Rb+, Cs+, NH4 +, K+, Tl+ and Ag+ ions with several crown ethers in acetonitrile-dimethylsulfoxide and acetonitrile-dimethylformamide binary mixtures Jahan B. Ghasemi Elaheh Babaee Fakhredin Khavarian Open Access Article Abstract Page Full-Text 2 - 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