Radiation therapy's ripple effect: Cadmium levels in halfaya oil field produced water and their impact on cancer risk

Abstract

Author(s): Anwer S. Salim, Mohammed Z. Thani, Abdull jabar KH. Atia

In this work, by converting 2-(4-aminophenyl) benzimidazole to diazonium salt and coupling it with 8-hydroxyquinoline in an alkaline medium, we were able to synthesize a new ligand, 2-(4 amino phenyl) benzimidazole azo derivative, which was used as the ligand to assess cadmium (II) in aqueous samples. The analysis of cadmium (II) in pure and aqueous components has been established and confirmed using micro-extraction techniques with UV-Vis measurement. In this work, the DLLME method was utilized for the separation, enrichment, and evaluation of cadmium (II) in pure form and aqueous samples by UV-Vis spectroscopy at 414 nm. Several experimental factors were achieved, including the type and volume of dispersive solvent, type and volume of extraction solvents, temperature, and time reaction, and centrifuging time. With a coefficient of determination (R2) of 0.9966 for the spectroscopic technique and 0.9964 for the DLLME method, respectively, the procedures were linear in the range of 1.0 µg/mL-50.0 µg/mL and 1.0 µg/mL-11.0 µg/mL under ideal conditions. The Limit of Detection (LOD) was 0.71 µg/mL and 0.16 µg/mL. The target analyte was recovered from aqueous samples using the spectroscopic approach between 96.6% and 99.6% and the DLLME method between 95.2% and 100.2%, respectively.

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