2022. Spectrophotometric Determination of Hg (II) Using (E)-2-(4,5-bis(4-methoxyphenyl)-1H-imidazol-4-yl) diazenyl) benzoic acid as analytical reagent. Journal of Pharmaceutical Negative Results. (Sep. 2022), 530–536. DOI:https://doi.org/10.47750/pnr.2022.13.S01.65.