Figure 3: BET surface area of HA-TiO2 nanocomposites made at 70°C in 5 minutes residence time via CPFS. The data points from left to right corresponded to samples 5 wt% HA-TiO2, 10 wt% HA-TiO2, 20 wt% HA-TiO2, 40 wt% HA-TiO2, 50 wt% HA-TiO2, and 60 wt% HA-TiO2, respectively.