فهرست مقالات Multi element determination دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - Spectrophotometric simultaneous determination of nickel, cobalt and copper by orthogonal signal correction–partial least squares Shayessteh Dadfarnia Masoud Rohani Moghadam Ali Mohammad Haji Shabani Jahanbakhsh Ghasemi