LABORATORY NOTEBOOK (Pre-lab)

1. LABORATORY NOTEBOOK(Pre-lab) • TITLE AND DATE • OBJECTIVES • TABLE OF PHYSICAL DATA • Include MW, boiling point, density, and hazard information for acetone, ethyl acetate, and hydrochloric acid. • Include MW, melting point, and hazard information for aspirin and acetaminophen. • DIAGRAM OF APPARATUS • Include the diagram of an extraction apparatus from Appendix A. • PROCEDURE • Give a brief outline of the procedure for this experiment. DO NOT copy directly from the lab manual. • Include reference to lab manual, including page numbers where actual procedure can be found.

2. LABORATORY NOTEBOOK(In-lab) OBSERVATIONS/CALCULATIONS • EXTRACTION: • Initial # Goody’s powders used • total volume of ethyl acetate used • total volume of 10% NaHCO3 used • Theoretical recovery CALCULATION for aspirin (not just the value!) • Theoretical recovery CALCULATIONfor acetaminophen (not just the value!) • DRYING AND ACETAMINOPHEN RECOVERY: • initial weight of 150 mL beaker • weight of 150 mL beaker+ acetaminophen • final weight of acetaminophen • ASPIRIN RECOVERY: • Volume of 6M HCl used • Weight of small filter paper • Weight of large filter paper • HPLC ANALYIS: • HPLC vial slot # for aspirin sample • HPLC vial slot # for acetaminophen sample