Quantitative determination of C6:0-C18:3 serum nonesterified fatty acids by gas-liquid chromatography

1976 ◽  
Vol 70 (1) ◽  
pp. 156-166 ◽  
Author(s):  
George H. DeVries ◽  
Peter Mamunes ◽  
Charles D. Miller ◽  
Donald M. Hayward
Keyword(s):  
Fatty Acids ◽  
Liquid Chromatography ◽  
Quantitative Determination ◽  
Gas Liquid Chromatography ◽  
Nonesterified Fatty Acids

Ozonolysis of unsaturated fatty acids. II. Esterification of the total products from the oxidative decomposition of ozonides with 2,2-dimethoxypropane

1967 ◽  
Vol 45 (13) ◽  
pp. 1405-1410 ◽  
Author(s):  
John D. Castell ◽  
R. G. Ackman
Keyword(s):  
Fatty Acids ◽  
Liquid Chromatography ◽  
Unsaturated Fatty Acids ◽  
Performic Acid ◽  
Acid Oxidation ◽  
Gas Liquid Chromatography ◽  
Positional Isomers ◽  
Flame Ionization ◽  
Hydrogen Flame

The total acidic products from the performic acid oxidation of the ozonide of methyl oleate formed in methanol may be esterified directly in a few hours with 2,2-dimethoxypropane. The ester concentrations are adequate for the determination of the positional isomers of monoethylenic fatty acids directly from the reaction mixture, using a hydrogen flame ionization gas–liquid chromatography detector. Dimethyl sulfoxide was not required to prevent the breakdown of 2,2-dimethoxypropane under the conditions employed.

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