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AB137: Determination of Inorganic and Organic Acids in Apple and Orange Juice Samples Using Capillary IC
Instrument Type: ICDeterminations of organic acids in fruit juices are used by the beverage industry for flavor characterization, identification of spoilage, identification of adulteration by a less costly juice, and product labeling. In this study, inorganic anions and organic acids in diluted filtered apple and orange juice samples were determined on a Dionex IonSwift MAX-100 anion-exchange column using electrolytically generated hydroxide gradient from 0.1–65 mM KOH over 25 min at 15 μL/min.
Anions and Organic Acids in Apple Juice by High Pressure Capillary IC
Instrument Type: ICAnions and Organic Acids in Apple Juice by High Pressure Capillary IC. Determinations of organic acids in beverages are important to the beverage industry because these acidulants and flavoring agents maintain beverage freshness, minimize microbiological growth, and add a characteristic flavor. Additionally, analysis is required to meet product labeling requirements in 21 CFR part 101.1 High Pressure Capillary Reagent-Free™ ion chromatography (RFIC™) is the latest advancement in ion chromatography instrumentation. Typically with an RFIC system, the system pressure is limited to <3000 psi b...