GB/T 9172-1988
Abolished
GB/T 23193-2017
Active
National standards
GB/T 23193-2017 Determination of theanine in tea—Using high performance liquid chromatography
GB/T 23193-2017 Determination of theanine in tea—Using high performance liquid chromatography
Basic Information
Standard Code:
GB/T 23193-2017
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Tea products
ICS Name:
Tea
Publish Date:
2017-11-01
Implement Date:
2018-05-01
Pages:
6 pages
Scope
This standard specifies the method for determining the content of theanine in tea by high-performance liquid chromatography. This standard is applicable to the determination of theanine in tea.
Development Information
Replace the following standards
Referenced Standards
GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods
GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods
GB/T 8302-2002 Tea—Sampling
GB/T 8302-2013 Tea—Sampling
GB/T 8303-2002 Tea—Preparation of ground sample and determination of dry matter content
GB/T 8303-2013 Tea—Preparation of ground sample and determination of dry matter content
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