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Analysis of recombinant protein purity and heterogeneity by capillary electrophoresis

Determination of inorganic cations in drinks

INTRODUCTION

The method enables fast determination of inorganic cations (sodium, potassium, calcium, and magnesium) in the samples of juices, beer, wines, brandies, brandy alcohols, and raw materials by capillary electrophoresis.

MEASURING METHOD

The capillary electrophoresis method for evaluation of cations concentration is based on differential migration and separation of cations in electric field due to the difference in their electrophoretic mobility. Identification and quantitative determination of the analyzed cations is performed by indirect detection measuring UV absorption at 254 nm (for “CAPEL®-103RT/104T” systems) or 267 nm (for “CAPEL®-105/105M” systems) wavelength.

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Determination of inorganic cations in drinksDownload application file
EQUIPMENT FOR ANALYSIS