Application Note: Analysis of Diet Soft Drinks for Aspartame, Caffeine and Citric/Benzoic Acids by HPLC
1 May 2012

Today, diet soft drinks are very popular worldwide as they are a better alternative than high-calorie regular soft drinks. The artificial sweetener used in these soft drinks is aspartame. Other than aspartame, caffeine, citric acid and benzoic acid are the other ingredients. This method shows qualitative as well as quantitative determination of all the ingredients using a simple isocratic method.

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