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The specific refraction of fatty oils
Author(s) -
Tels M.,
Kruidenier A. J.,
Boelhouwer C.,
Waterman H. I.
Publication year - 1958
Publication title -
journal of the american oil chemists' society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.512
H-Index - 117
eISSN - 1558-9331
pISSN - 0003-021X
DOI - 10.1007/bf02539873
Subject(s) - saponification value , refraction , iodine value , saponification , chemistry , fatty acid , glyceride , iodine , organic chemistry , optics , physics
Summary It is shown that atomic and group refractions, obtained from data on hydrocarbons, may be used in calculating the Lorenz‐Lorentz molar refraction of fatty acid esters. By assuming that the various atomic and group refractions are additive in mixtures of fatty acid esters, a relation between the iodine value, the saponification value, and the specific refraction of fatty oils is derived. The validity of this relation is confirmed by comparing the calculated and the experimentally determined specific refractions of a number of fatty oils and their hydrogenation products. From this relation a diagram for the graphical‐statistical analysis of glycerides of nonconjugated, nonpolymerized, straight‐chain fatty acids is developed.