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Many beverages such as soft drinks, coffee and tea contain the mild stimulant caffeine (C 8 H 10 N 4 O 2 ). The caffeine content varies widely from about 100 µg/mL (100 ppm) in sodas to over 1000 µg/mL in certain types of coffee. For this reason the caffeine and the content in they need to be analyzed. A rapid and selective high-performance liquid chromatographic (HPLC) method is developed for the separation and determination of caffeine.doi:10.11648/j.ijnfs.s.2015040101.13 fatcat:yck2dh6itbdp5p5zixmosweu2m