The Spectrophotometric Determination of Copper(II) Ion with 7-Bromo-2-Nitroso-1-Oxinaphthalene-3,6-Disulphocid: Spectrophotometric Determination of Copper(II) Ion with 7-Bromo-2-Nitroso-1-Oxinaphthalene-3,6-Disulphocid. IJC [Internet]. 2024 May 22 [cited 2026 May 24];63(5):500-5. Available from: https://or.niscpr.res.in/index.php/IJC/article/view/9289