فهرس المقالات vegetable and fruit samples حرية الوصول المقاله صفحة الملخص نص كامل 1 - Magnetic solid-phase extraction and Uv/vis Spectrophotometric determination of trace amount of Copper in vegetable and fruit samples after preconcentration of its Pentetate complex Hojjat Veisi Fatemeh Parvizi Mohammad Reza Abdi 10.22034/jna.2018.565390.1083 حرية الوصول المقاله صفحة الملخص نص كامل 2 - Magnetic solid-phase extraction and Uv/vis Spectrophotometric determination of trace amount of Copper in vegetable and fruit samples after preconcentration of its Pentetate complex Hojjat Veisi Fatemeh Parvizi Mohammad Reza Abdi 10.22034/jna.2018.543609