فهرست مقالات Dispersive Solid Phase Extraction دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - Preconcentration and Determination of Theophylline in Water Samples using Magnetic Nano-Cellulose with Dispersive Solid Phase Extraction Parastoo Molaei ali moghimi Shahin Ahmadi seyedali sobhanian