Talitha AM, El-Dahshan Z, Aal AE. Optimization of Solid Phase Extraction Using Chelating Disk for Cr(III) and Fe(III) Concentration in Water Samples by ICP-AES Analysis. Jor. Chem. Lea. Inn. 2026;3(1):123-133. doi:10.37251/jocli.v3i1.3243