This coursework should include at least 6 hours, and no more than 9 hours, of chemistry research and at least 21-24 hours in courses intended principally for graduate students (numbered 500 or above). Courses in chemistry-related fields must be approved by the Director of Graduate Studies in Chemistry, Dr Natalie Arnett,? when recommended by the student?s thesis advisor and required by research and/or specialized and approved areas of study.?