Determination of carboxylic acids, sugars, glycerol and ethanol in wine and grape must by ion-exchange high-performance liquid chromatography with refractive index detection

作者: M. Calull , R.M. Marcé , F. Borrull

DOI: 10.1016/0021-9673(92)85384-6

关键词: WineIon exchangeMalic acidCarboxylic acidGlycerolSugarHigh-performance liquid chromatographyEthanolChemistryChromatographyOrganic chemistryAnalytical chemistryBiochemistryGeneral Medicine

摘要: Method to determine the major carboxylic acids, sugars, glycerol and ethanol in wine grape must was developed using an ion-exchange column refractive index detector. A solid-phase extraction method with a strong anion exchanger used these compounds sweet wines musts. With this it is possible malic acid musts without interference from sugars. This high-performance liquid chromatographic compared standard methods of analysis. There good agreement accuracy precision methods.

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