lokhande, R.S., and A.S. Jaywant. “P-Methylisonitrosoacetophenonehydrazone As an Extractive Agent for the Spectrophotometric Determination of Nickel(II)”. Asian Journal of Chemistry 11, no. 2 (March 30, 2010): 684–686. Accessed October 3, 2024. https://asianpubs.org/index.php/ajchem/article/view/23349.