ISO 10727:2002 Preview
Tea and instant tea in solid form -- Determination of caffeine content -- Method using high-performance liquid chromatography
This standard was last reviewed and confirmed in 2018. Therefore this version remains current.
This International Standard specifies a method for the determination by high-performance liquid chromatography (HPLC) of the caffeine content of teas and instant teas. It is applicable to green tea, black tea and decaffeinated tea products.
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