360 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS 30 40 50 60 70 80 90 100 110 Temperature (C) Figure I a 120 20 30 40 50 60 70 80 90 100 110 120 Temperature (C) Figure 1 b 1. DSC thermograms of ascorbyl compounds: la. Ascorbyl dipalmitate. lb. Ascorbyl monopalmi- tate. lc. Deh' acid. ld. Ascorbic acid.
DETERMINATION OF ASCORBYL DIPALMITATE 361 I i i i I i i • i i 1 20 30 40 50 60 70 80 90 100 110 120 130 Temperature (C) Figure I c 20 ! i i i t i i t i 30 40 50 60 70 80 90 100 I 10 120 Temperature (C) Figure ld Figure 1 (continued)
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