Derivatographic analysis of bentonite "navbahor" in the technology of obtaining a nanocatalystNormurot Fayzullayev, Jamshed Kurbonov, Gulrukh Daminova, Amanjan Saginaev, Raxima Kurbanova and Jaxongir KurbonovE3S Web of Conf., 402 (2023) 14025DOI: https://doi.org/10.1051/e3sconf/202340214025