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Solvent extraction of Zn(II), La(III) and Ce(III)
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Three organic reagents were synthesized 2-[4-bromo-3,5-diethyl phenyl azo]-4,5diphenylimidazole(BDPI), 2-[(4-Benzyloxy phenyl)azo]-5-nitro-4-phenyl imidazol(BANI),4-[N-(5-methylisoxazol-3-yl) benzene sulfonamide azo] -1- Naphthol (AMBN), which are utilized for separation, extraction and spectrophotometric determination Zinc(II), Lanthanum(III) and Cerium(III) as cations according to liquid-liquid extraction method, depending on the measurement of absorption of ion pair complex extracted at maximum wavelength ( max) and calculation distribution ratio (D). This study involves limitation of optimum conditions for complex formation as well extraction as pH, metal ions concentration, shaking time, stoichiometry study,organic solvent effect, thermodynamic study, effect of methanol, electrolytic salts, synergism. This study involved using organic reagent [(BDPI), (BANI),(AMBN)] for spectrophotometric determination of Zn2+, La3+ and Ce3+ in different environmental, vital and waste electronic equipment samples.
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