National Health Commission of the People's Republic of China
Latest
GB 5009.139-2014
Scope
This standard specifies the method for the determination of caffeine content in cola beverages, coffee, tea and their solid and liquid beverage products - high performance liquid chromatography. This standard applies to the determination of caffeine content in cola beverages, coffee, tea and their solid and liquid beverage products.
GB 5009.139-2014 history
2014GB 5009.139-2014 Determination of caffeine in national food safety standard beverages