Home Publications Application of the Magnetic Fraction of Fly Ash as a Low-Cost Heterogeneous Fenton Catalyst for Degrading Ethidium Bromide. Weeraphan C., Thawornpan P., Thanapongpichat S., Srinoun K., Tun W.A., Srisomsap C., Svasti J. and Buncherd H. Analytical Let. 2022;55(6).