List of Articles determination of cobalt Open Access Article Abstract Page Full-Text 1 - Preparation of Modified Nanocellulose with 5-Br-PADAP for Preconcentration and Determination of Trace Amounts of Cobalt Ions in Natural Water Samples Sekyneh ganji-jouybari Ali Mirabi Ali Shokuhi rad 10.30495/jest.2020.33949.4151