GB/T 8312-2002
Tea--Determination of caffeine content (English Version)
- Standard No.
- GB/T 8312-2002
- Language
- Chinese, Available in English version
- Release Date
- 2002
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2014-06
- Replace By
- GB/T 8312-2013
- Latest
- GB/T 8312-2013
- Scope
- This standard specifies the principle, instruments and utensils, reagents and solutions, operation methods and result calculation methods for the determination of caffeine in tea by high performance liquid chromatography and ultraviolet spectrophotometry. + This standard applies to the determination of caffeine in tea.
GB/T 8312-2002 history
- 2013 GB/T 8312-2013 Tea.Determination of caffeine content
- 2002 GB/T 8312-2002 Tea--Determination of caffeine content
- 1987 GB/T 8312-1987 Determination of tea and caffeine
