GB/T 9172-1988
Abolished
GB/T 8313-2008
Replaced
National standards
GB/T 8313-2008 Determination of total polyphenols and catechins content in tea
GB/T 8313-2008 Determination of total polyphenols and catechins content in tea
Basic Information
Standard Code:
GB/T 8313-2008
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
Basic standards and general methods
ICS Name:
Tea
Publish Date:
2008-05-04
Implement Date:
2008-10-01
Pages:
7 pages
Scope
This standard specifies the methods for determining the content of catechins in tea by high-performance liquid chromatography (HPLC) and the content of tea polyphenols in tea by spectrophotometry. This standard is applicable to the determination of the content of catechins and tea polyphenols in tea and tea products.
Development Information
Replace the following standards
Superseded by the following standards
Referenced Standards
Adopt standards
ISO 14502-1/2:2005
Related Standards
GB/T 14487-1993
Replaced
GB/T 14487-1993 The terms of tea sensory tests
GB/T 14456-1993
Replaced
GB/T 14456-1993 Green tea
GB/T 13738.1-1997
Replaced
GB/T 13738.1-1997 The first set of broken black tea
GB 18665-2002
Replaced
GB 18665-2002 Mengshan Tea
GB/T 9833.1-2002
Replaced