1. “Official and Tentative Methods of the American Oil Chemists’ Society,” (revised to 1973), AOCS, Champaign, IL, Method Ca 12-55.
2. Hartman, L., JAOCS 56:908 (1979).
3. Chapman, G.W., Jr., Ibid. 57:299 (1980).
4. Jamieson, G.S., and R.S. McKinney, Oil Soap (Chicago) 12:70 (1935).
5. Cocks, L.V., and C. Vanrede, “A Laboratory Handbook for Fat and Oil Analysis,” Academic Press, New York, 1966, p. 137.