Determination of the chemical and hydrothermal stability of the Claus catalystFarkhod Yusupov, Murodali Mamanazarov, Bobomurod Xursandov and Gulnoza BaimatovaE3S Web Conf., 264 (2021) 01023DOI: https://doi.org/10.1051/e3sconf/202126401023