High-Pressure IC for Increased Resolution in Beverage Analysis
Event Date: May 17, 2012 at 11:00 AM Eastern Daylight Time
Carbonated beverages and fruit juices are complex matrices containing organic acids, inorganic anions, and inorganic cations present as additives, as part of their natural sources, or as indicators of spoilage from biological growth. The determinations of these analytes are important to the beverage industry to verify content needed for labeling and formulations, to assess product freshness, protect health-sensitive consumers, or identify adulteration of a higher cost with a lower cost product. As such, ion chromatography is analytical method of choice to determine both inorganic anions and organic acids in a single run.

Now, we introduce high pressure capability to our most flexible and advanced dual channel ion chromatography instrument, the Thermo Scientific Dionex ICS-5000 Capillary HPIC system. The high pressure capabilities, which allow continuous system pressures up to 5000 psi, bring the advantages of 2x faster runs and reduced cycle time to the capillary advantages of “IC on Demand†with only 5 L of waste generated a year. These high pressure capabilitiesalso make it possible to use the new smaller 4 μm particle Thermo Scientific Dionex IonPac columns for very high resolutions and separations needed in complex sample matrices. Here we discuss the advantages of high pressure capillary IC to provide highly resolved peak separations and determine important analytes in beverages.


Moderator:

Laura Bush

Editorial Director
LCGC North America

Speakers:

Terri Christison

IC Product Applications Chemist
Ion Chromatography and Sample Prep
Thermo Fisher Scientific



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