Ismailova Himoyat Matnazarovna's extended scientific seminar on "Complexes of ion exchangers with intermediate metals obtained on the basis of local raw materials" for the degree of Doctor of Philosophy (Ph.D.) in 02.00.01-Inorganic chemistry and 02.00.04-Physical chemistry at the Department of Chemistry, Urgench State University will take place. The seminar will be held on November 20 at 14:00 in Room 101 of the main building of Urgench State University.