vatankhah, gholamhossein, ebrahimi, hboube, jafari, darush. Determination of Trace Amount of Zn2+ Ion in soil, blood and vegetable and water samples by Flame Atomic Absorption Spectrometry After Cloud Point Extraction Using Selective Synthesis Ligand2-(3- indolyl) – 4,5 di phynyl imidazole.. Journal of Physical & Theoretical Chemistry. 2018;14(4):379-399. doi: