A Nontraditional QualitativeOrganic Analysis Experiment LeRoy W. Haynes The College of Wooster, Wooster, OH 44691
A traditional qualitative organic analysis course normally consists of two types of experiments: the identification of pure unknowns and the separation and identification of components in contrived mixtures. A step in a more creative direction was an interesting set of experiments dealing with the identification of compounds produced in a reaction? Although we still have our students identifv nure unknowns using spectral methods and the preparation of suitable derivatives, we have also tried to develon which come closer . experiments . to separation and identification problems which a chemist would have to solve in a research situation. To meet that goal plus to give our students hands-on exnerience with a . preparative gas chromatoeravh, . - . we desiened the following experiment. The assignment was for a team of two students to separate and identifv the maior and one other component in commercial ligroin with a boiling point range of 90 to 120°C. Thev were encouraeed to work out first the separation conditions on a 4-ft X 'I4&. analytical column with the same uackinz material as the preparative column. Once
