GB/T 8309-2002
Tea--Determination of alkalinity of water--soluble ash content (English Version)

Standard No.

GB/T 8309-2002

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

Be replaced 2014-06

Replace By

GB/T 8309-2013

Latest

GB/T 8309-2013

Scope

This standard specifies the principle, instruments and utensils, reagents and solutions, determination procedures and result calculation methods for the determination of water-soluble ash alkalinity in tea. This standard applies to the determination of the alkalinity of tea water-soluble ash.

GB/T 8309-2002 history

• 2013 GB/T 8309-2013 Tea.Determination of alkalinity of water-soluble ash content
• 2002 GB/T 8309-2002 Tea--Determination of alkalinity of water--soluble ash content
• 1987 GB/T 8309-1987 Determination of Alkalinity of Tea Soluble Ash