Venugopalan, P., and K. Krishnankutty. 2010. “Potentiometric Studies on Chelation of Co(II), Ni(II), Cu(II) and Zn(II) With Some 6-Aryl-5-Hexane-2,4-Diones ”. Asian Journal of Chemistry 10 (3):453-56. https://asianpubs.org/index.php/ajchem/article/view/23654.