The present laboratory manual was developed primarily to pro-vide suitable experiments in elementary laboratory practice for alllevels of students, both the average and the exceptional. Impressedby the possibilities of the semimicro technic in connection with thisproblem, the author began several years ago to experiment with itin his classes. After mature consideration and six years of trial anderror with all types of students, he believes that it is possible toattain all the objectives of laboratory practice in elementary or-ganic chemistry using the semimicro technic..