“…Except for the composition of three linseed oils reported by Hilditch and Murti (7) and of seven by Rose and Jamieson (25), nearly all analyses of linseed oils have been based on calculations using Kaufmann's theoretical constants (11,12) for the thiocyanogen absorption numbers of linoleic and linolenic acids. Kimura (16) in 1929 presented evidence which placed Kaufmann's theoretical constants in doubt.…”