Some aspirin pills have enteric coatings to keep the acetylsalicylic inside the pills intact and prevent the acidic conditions of the stomach from breaking down the pill before it reaches the small intestine (Enteric Coated Aspirin Oral: Uses, Side Effects, . As an extension, the effect of different coatings on the hydrolysis of acetylsalicylic acid, the concentration of produced salicylic acid in solution, and the resistance of the pill to temperature could be explored.