H. Ahmad, H. and A. Mohammed, S. 2009. Selective Extraction of Zirconium from Various Samples and Subsequent Spectrophotometric Determination with Eriochrome Cyanine R Reagent. Rafidain Journal of Science. 20, 3 (Apr. 2009), 74–83. DOI:https://doi.org/10.33899/rjs.2009.40231.