Rani Padhy, R. and Tiwari, S. 2021. Antibacterial Action and Efficacy of Silver and Copper Exchanged Na-Y Zeolite from Fly Ash on 304 Stainless Steel Coupons by Agar Diffusion Method. Asian Journal of Chemistry. 33, 2 (Jan. 2021), 371–375. DOI:https://doi.org/10.14233/ajchem.2021.23002.