فهرس المقالات Dispersive liquid liquid microextraction حرية الوصول المقاله صفحة الملخص نص كامل 1 - Preconcentration and determination of palladium water samples by ionic liquid - dispersive liquid liquid microextraction combined with flame atomic absorption spectrometry Majid Ramezani Mohsen Heidarzadeh Fatemeh Yousefi