%0 Conference Proceedings %T conductace study of complexation ability of Li+, Na+, and NH4+ cations with 15-crown-5 in acetonitrile-- Metho anol binary solutions %A Ronaghi, Gholam Hossein %A Razavipanah, Iman %A Deimi, Behjat %A Razghandi, Fahime %J پانزدهمین کنگره شیمی ایران دانشگاه بوعلی - همدان %D 2011