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Physical properties of fatty acid methyl esters. II. Refractive index and molar refraction
Author(s) -
Gouw T. H.,
Vlugter J. C.
Publication year - 1964
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/bf02654875
Subject(s) - refractive index , refraction , molar , chemistry , methyl oleate , refractometry , limiting , molar ratio , reflectivity , molar volume , linolenate , molar refractivity , fatty acid , organic chemistry , analytical chemistry (journal) , optics , thermodynamics , physics , catalysis , medicine , mechanical engineering , dentistry , engineering
The refractive indices of methyl oleate, linoleate, linolenate, erucate, and the saturated fatty acid methyl esters from acetate to nonadecanoate have been measured at 20C and 40C for the Na d , H ॅ , H ॆ , H े lines. The values for the saturated series have been correlated with the Smittenberg relation. Molar refractions have been computed and checked for additivity. The limiting refractive indices obtained from the Smittenberg relation are compared to those obtained from the molar refraction.