TY JOUR TI PROCESSING OF BOROSILICATE RAW MATERIALS WITH AMMONIUM HYDRODIFLUORIDE KW BOROSILICATE ORE KW LEACHING KW AMMONIUM HYDRODIFLUORIDE KW HEATING KW FLUORINATING AGENT KW AMMONIUM TETRAFLUOROBORATE JO Herald of Technological University AU Davlatov, A.S. AU Kurbonov, A.S. AU Tagaev, A.P. AU Pulatov, K.E. AU Tagoev, M.M. AU Mirsaidov, U.. PY 2025 IS 27 PB Kazan National Research Technological University