title: Experiments in powder blending and unblending.
mesh_terms: D001241:Aspirin / Q000032:analysis; D004339:Drug Compounding; D004864:Equipment and Supplies; D007785:Lactose; D008433:Mathematics; D010316:Particle Size; D011208:Powders; D012997:Solvents; D013997:Time Factors
chemical_list: D011208:Powders; D012997:Solvents; D007785:Lactose; D001241:Aspirin