Tea and instant tea in solid form — Determination of caffeine content — Method using high-performance liquid chromatography

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PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

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English

Published date

15-08-2002

Publisher

International Organization for Standardization

This International Standard specifies a method for the determination by high-performance liquid chromatography (HPLC) of the caffeine content of teas and instant teas. It is applicable to green tea, black tea and decaffeinated tea products.

Committee	ISO/TC 34/SC 8
DevelopmentNote	Supersedes ISO/DIS 10727 (08/2002)
DocumentType	Standard
Pages	8
PublisherName	International Organization for Standardization
Status	Current
Supersedes	ISO 10727:1995

Standards	Relationship
PN ISO 10727 : 2004	Identical
BIS IS 16027 : 2012	Identical
DIN ISO 10727 E : 2004	Identical
NEN ISO 10727 : 2002	Identical
BS ISO 10727:2002	Identical
GOST ISO 10727 : 2013	Identical
DIN 10801:1995-01	Corresponds
BS 7820-1:1995	Identical
DIN ISO 10727:2004-05	Identical
NF ISO 10727 : 1995	Identical

UNE 84656:2012

Cosmetic raw materials. Plant extracts. Green tea hydroglycolic extract (Camellia sinensis L.).

ISO 7516:1984	Instant tea in solid form Sampling
ISO 1839:1980	Tea — Sampling
ISO 7513:1990	Instant tea in solid form Determination of moisture content (loss in mass at 103 degrees C)
ISO 5725-2:1994	Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
ISO 3696:1987	Water for analytical laboratory use — Specification and test methods
ISO 1572:1980	Tea Preparation of ground sample of known dry matter content

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ISO 10727:2002

Tea and instant tea in solid form — Determination of caffeine content — Method using high-performance liquid chromatography

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