Barman, B. and Barua, S. (2010) “Bis-[2,6-(2’-Hydroxy-4’-Sulpho-1’-Naphthylazo)]pyridine Disodium Salt as a Spectrophotometric Reagent for the Determination of Cadmium in Tobacco and Tobacco Products”, Asian Journal of Chemistry, 23(2), pp. 770–772. Available at: https://asianpubs.org/index.php/ajchem/article/view/15834 (Accessed: 22 November 2024).