The 1st-year PhD student of the EP "8D05301-Chemistry" of the DChM-201 group of the Department of Chemical Technology and Ecology Akimzhanova H.G. conducts laboratory studies to determine the physico-chemical composition of therapeutic mud of the North-Eastern region. To determine the pH and mineralization, water extracts of six samples of black and white mud of natural origin were made. The work is carried out in the scientific laboratory of the department.