GB/T 8312-2013 in English
VALIDTea - Determination of Caffeine Content
- Issued on:2013-12-31
- Implemented on:2014-06-22
- File Format:PDF
- Delivery:Via email within 1~3 business days
$97.00
《GB/T 8312-2013茶 咖啡碱测定》由TC339(全国茶叶标准化技术委员会)归口,主管部门为中华全国供销合作总社。
本标准规定了用高效液相色谱法、紫外分光光度法测定茶叶中咖啡碱的仪器和用具、试剂和溶液、操作方法及结果计算的方法。
本标准适用于茶叶中咖啡碱的测定,也适用于固态速溶茶咖啡碱的测定。
Scope
This standard specifies the instruments and utensils, reagents and solutions, operation methods and results 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, and also applies to the determination of caffeine in solid instant tea.

Loading PDF document...
Error loading PDF. Please make sure the file is valid and try again.
We also recommend
-

GB/T 30483-2013 in English
Determination of theaflavins in tea-High performance liquid chromatography
2013-12-31 -

GB/T 8302-2013 in English
Tea - Sampling
2013-12-31