GB/T 8312-1987 in English

SUPERSEDED

Tea--Determination of caffeine content

Issued on:1987-11-19
Implemented on:1988-07-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $180.00
$175.00

Standard No:	GB/T 8312-1987
Document status:	SUPERSEDED
Superseded by:	GB/T 8312-2002 Tea - Determination of caffeine content
Title in English:	Tea--Determination of caffeine content
Title in Chinese:	茶咖啡碱测定
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	1987-11-19
Implemented on:	1988-07-01
ICS Classification:	67.140.10-Tea
Chinese Classification:	X55-Tea products
Professional Classification:	GB-National Standard
Related Keywords:	tea caffeine tea polyphenols tea water extract caffeine content scopethis standard applies tea
Related Topics:	coffee stick Moisture Determination Coffee coffee ingredients coffee tea Determination of caffeine in coffee Determination of coffee caffeine caffeine liquid phase method caffeine liquid phase method coffee shop tea coffee tea coffee caffeine liquid phase coffee and tea Liquid phase determination of caffeine in tea caffeine liquid phase Determination of caffeine in tea Hong Kong style coffee shop coffee front Hong Kong style coffee shop Americano gb8312 animal coffee Coffee Sour Tablets coffee ingredients Caffeic acid 99 coffee golden ear Polytheophylline gb/t+8312 coffee dementia peptide coffee GBT8312 GB/T 8312-2002 GB/T 8312-2013 Coffee machine industry Detection of caffeine in tea black coffee group Caffeamide determination method Determination method of aminophylline gbt8312-2015

本标准适用于茶叶中咖啡碱的测定。

Scope

This standard applies to the determination of caffeine in tea. After removing leaf protein, tea polyphenols and other substances from the tea water extract, the remaining alkaloids whose measurement wavelength is 274nm are called tea caffeine.

More samples: JC/T 2453-2018 GB 50021-2001(2009) DL/T 368-2010

Sample only — not a preview of GB/T 8312-1987

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