Sample concentration: 100 g solution high shear mixed, Alcoholic phase (10 g Ibuprofen with 12 % Tween 80), Aerosil 200 in water phase, Ratio Aerosil/Ibuprofen 0-0.2 g/g, Ratio Tween 80/Ibuprofen 0.025 - 0.2g /gSolvent: WaterCarrier, Filmogen: Tween 80 (surfactant), Sodium Lauryl Sulphate or Silicon Dioxide (Aerosil 200)