TY JOUR TI INVESTIGATION OF ANALYTICAL TEST SYSTEMS OBTAINED USING MICROPOROUS BLOCK COPOLYMERS KW BLOCK COPOLYMERS KW MODIFICATION KW NANOSIZED ORGANOSUBSTITUTED SILICAS KW SORPTION CAPACITY KW ANALYTICAL TEST SYSTEMS JO Herald of Technological University AU Safiullin, K.R. AU Li, E.D. AU Davletbaev, R.S. AU Sazonov, O.O. AU , .. PY 2025 IS 27 PB Kazan National Research Technological University