PHYSICAL PROPERTIES OF FATTY ACIDS 



79 



WAVE LENGTH, /i. 



Fig. 14. The infrared absorption spectra of glyceryl trioleate (i) 

 and glyceryl trilinoleate (3).^^ 



4 6 R 



WAVE LENGTH, p. 



10 



Fig. 15. The infrared absorption spectra of glyceryl trilinolenate (1) 

 and glyceryl trielaeostearate (2).^^ 



wave length, it is apparent that there may be an overlapping with the x- 

 rays. An extensive discussion of the application of ultraviolet spectros- 

 copy to drying oils is given by Kass.^^^ 



^ J. P. Kass, "Ultraviolet Absorption Studies of Drying Oils," in Protective and 

 Decorative Coalings, Vol. IV, J. J. Mattiello, ed., Wiley, New York, 1944, pp. 362-405. 



