فهرست مقالات water and cereal samples دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - Flotation/magnetic stirring-assisted liquid-liquid microextraction combined with flame atomic absorption spectrometry for the preconcentration and determination of cadmium (II) after optimization using experimental design Fatemeh Salimi Majid Ramezani