GB/T 23193-2008 Replaced National standards

GB/T 23193-2008 Determination of theanine in tea—High performance liquid chromatography

GB/T 23193-2008 Determination of theanine in tea—High performance liquid chromatography

Publish Date: 2008-12-31 Implement Date: 2009-06-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 23193-2008

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Tea products

ICS Name: Tea

Publish Date: 2008-12-31

Implement Date: 2009-06-01

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.
The detection limit of this standard is 5.0 mg/kg.

Development Information

Word Count: 7 Thousand words Pages: 6 pages

Superseded by the following standards

GB/T 23193-2017 Determination of theanine in tea—Using high performance liquid chromatography

Referenced Standards

GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 8303-2002 Tea—Preparation of ground sample and determination of dry matter content GB/T 8302-2002 Tea—Sampling GB/T 8302-2013 Tea—Sampling

Related Standards

GB/T 9172-1988 Abolished

GB/T 9172-1988 Grades of basket-fired green tea for scenting

Publish Date: 1988-04-30

GB/T 14487-1993 Replaced

GB/T 14487-1993 The terms of tea sensory tests

Publish Date: 1993-06-19

GB/T 14456-1993 Replaced

GB/T 14456-1993 Green tea

Publish Date: 1993-09-07

GB/T 13738.1-1997 Replaced

GB/T 13738.1-1997 The first set of broken black tea

Publish Date: 1997-06-16

GB 18665-2002 Replaced

GB 18665-2002 Mengshan Tea

Publish Date: 2002-03-05

GB/T 9833.1-2002 Replaced

GB/T 9833.1-2002 Brick tea—Hua zhuan tea

Publish Date: 2002-03-14