2024. Spectrophotometric Determination and Biological Activity Study of Zn(II) using a Newly Synthesized Azo Reagent Derivative from 4,5-bis(4-methoxyphenyl) Imidazole . Malaysian Journal of Fundamental and Applied Sciences. 20, 1 (Feb. 2024), 214–222. DOI:https://doi.org/10.11113/mjfas.v20n1.3251.