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Analysis of triglycerides by capillary electrochromatography

✍ Scribed by Pat Sandra; An Dermaux; Vany Ferraz; Monika M. Dittmann; Gerard Rozing

Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
239 KB
Volume
9
Category
Article
ISSN
1040-7685

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✦ Synopsis

Capillary electrochromatography CEC on columns 25 and 40 cm long, 100 m i.d., and packed with 3 m Hypersil ODS was evaluated for the separation of triglycerides in different vegetable oils. The mobile phase optimized for isocratic Ε½ . elution of triglycerides via micropacked liquid chromatography micro-LC and composed of acetonitrilerisopropanol rn-hexane in the ratio 57r38r5 could be applied by adding 50 mM ammonium acetate. The influence of the voltage and the temperature on the resolution was studied. The possibilities of peak collection in CEC for further elucidation of the triglyceride structure are illustrated with the Ε½ . identification of triolein in a salad oil by electrospray mass spectroscopy ESMS .

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