Desai, M.J., and K.K. Desai. “Spectrophotometric Determination of Copper(II) and iron(III) With 2,4-Dihydroxy-5-Bromaocetophenone Thiosemicarbazone”. Asian Journal of Chemistry 11, no. 4 (March 30, 2010): 1313–1316. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/23486.