GB/T 8309-2002 in English

SUPERSEDED

Tea - Determination of alkalinity of water - soluble ash content

Issued on:2002-06-17
Implemented on:2002-12-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $220.00
$214.00

Standard No:	GB/T 8309-2002
Document status:	SUPERSEDED
Superseded by:	GB/T 8309-2013 Tea - Determination of Alkalinity of Water-soluble Ash Content
Superseded on:	2014-06-22
Title in English:	Tea - Determination of alkalinity of water - soluble ash content
Title in Chinese:	茶水溶性灰分碱度测定
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2002-06-17
Implemented on:	2002-12-01
Professional Classification:	GB-National Standard
Related Keywords:	water-soluble ash alkalinity tea water-soluble ash soluble ash content scopethis standard determination procedures determination
Related Topics:	water soluble Ash Tea Ash Alkalinity Determination of Alkalinity of Cement alkali soluble Alkalinity Alkalinity standard Moisture ash analyzer water soluble ash alkalinity Water Solubility Concentration standard alkalinity Water Solubility Determination Analysis Organic Tea Ash water soluble ash alkalinity water soluble ai Aqueous phase alkaline water soluble ash water soluble ash Benzene water soluble Ash determination detection Alkali insoluble ash How to further determine the water-soluble ash and water-insoluble ash? hplc water soluble Water Soluble Ash and Water Insoluble Ash Ash Alkalinity how to measure ash Ash determination Ash Alkalinity water ash water soluble ash tea Determination of Ash Content in Tea In the determination of water insoluble ash Sample moisture Ash content water ash basicity Water Alkalinity Test Water Alkalinity Test Measure grayscale Ash content in tea Ash preparation Ash determination temperature Ash determination Grayscale u3 alkaline water acidic water Ash determination temperature water soluble water soluble ash Water Alkalinity Test Dissolution water Ash determination temperature Water Alkalinity 51 GBT8309 GB/T 308-2002 GB/T 8309-2002 GB/T 8309-2013 ISO3451.4 measures grayscale Total alkalinity determination Industrial wastewater alkalinity determination Determination method of aminophylline Method for removing water-soluble ash from solution

《GB/T 8309-2002茶水溶性灰分碱度测定》由442（中华全国供销合作总社）归口，主管部门为中华全国供销合作总社。
本标准规定了对茶叶中水溶性灰分碱度测定的原理、仪器和用具、试剂和溶液、测定步骤及结果计算方法。本标准适用于茶叶水溶性灰分碱度的测定。

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.

More samples: NB/T 47013.2-2015 QC/T 942-2021 YD/T 3934-2021

Sample only — not a preview of GB/T 8309-2002

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