فهرس المقالات Chromium (III) حرية الوصول المقاله صفحة الملخص نص كامل 1 - Determination of ultra trace amount Chromium in water samples with the 1-(2-PyridylAzo)-2-Naphthol, (PAN) by the bromate ion in sulfuric acid with kinetic spectrophotometric method Mohamad Reza Froudi Jahromi Samira Zandifar Ehsan Pakdaman Fatemeh Tavakoli Saideh Bagheri حرية الوصول المقاله صفحة الملخص نص كامل 2 - Quantitative monitoring of chromium (III) by a selective sensor based on dibenzo-18-crown-6 as a neutral ion carrier Maryam Alaie Arezoo Ghaemi