Application of Flotation and Spectrophotometric Detection for Preconcentration and Separation of Trace Amounts of Cadmium Ion Using a New Ligand 3-((1H indole-3-yle) (4-Cyano Phenyl) Methyl) 1H Indole (ICPMI) in Real Samples | Volume 45 | Issue 2 | 277 - 285 |