Khatkar, S.P., Promila, Dayawati, and Vinod Bala. 2010. “Ethanethioic Acid As a Reagent for Trace Determination of Zn(II), Cd(II) and Hg(II)”. Asian Journal of Chemistry 16 (1):549-51. https://asianpubs.org/index.php/ajchem/article/view/19692.