Shi Z, Han Y, Zhan G. Study on Producing Iron Ore Concentrate by Removing Sulphur from Pyrite Cinder with Nitric Acid Leaching. ajc [Internet]. 2014 Mar. 31 [cited 2024 Nov. 25];26(7):2042-6. Available from: https://asianpubs.org/index.php/ajchem/article/view/26_8_38