Singh, Nahar, and A.K. Sarkar. “Determination of Mercury in Fly Ash by Flameless Cold Vapour Atomic Absorption Spectrometry Using Hydride Generator ”. Asian Journal of Chemistry, vol. 15, no. 3, Mar. 2010, pp. 1593-7, https://asianpubs.org/index.php/ajchem/article/view/21844.