Yaqoob, D.J. 2017. Spectrophotometric Study and Analytical Applications of Iron (III)-Chelate System with (Mordant Blue-9) Reagent in Aqueous Solution. EURASIAN JOURNAL OF SCIENCE AND ENGINEERING. 3, 1 (Sep. 2017), 72–82. DOI:https://doi.org/10.23918/eajse.v3i1sip72.