Muthuselvi R, Vigneswari K. Spectrophotometric Determination of Copper(II) Using Nicotinohydroxamic Acid. ajc [Internet]. 2011 Dec. 14 [cited 2024 Nov. 25];24(4):1579-82. Available from: https://asianpubs.org/index.php/ajchem/article/view/8863