Tea — Sampling

Available format(s)

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

Language(s)

English, French

Published date

02-01-1980

Publisher

International Organization for Standardization

Applies to sampling from containers of all sizes. First are given definitions of relevant terms, followed by a description of apparatus, general information, sampling from containers, packaging, labelling and dispatch of samples, and the sampling report.

Committee	ISO/TC 34/SC 8
DevelopmentNote	Supersedes ISO 1839/1, 1839/2 (04/2001) Also numbered as BS 5987(1980) (09/2005)
DocumentType	Standard
Pages	3
PublisherName	International Organization for Standardization
Status	Current
Supersedes	ISO 1839-2:1976 ISO 1839-1:1975

Standards	Relationship
PN ISO 1839 : 1996	Identical
GOST R ISO 1839 : 2011	Identical
BIS IS 3611 : 2000(R2000)	Identical
NFV 03 340 : 1981	Identical

DIN ISO 14502-2:2007-12	DETERMINATION OF SUBSTANCES CHARACTERISTIC OF GREEN AND BLACK TEA - PART 2: CONTENT OF CATECHINS IN GREEN TEA - METHOD USING HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY
BS ISO 14502-1:2005	Determination of substances characteristic of green and black tea Content of total polyphenols in tea. Colorimetric method using Folin-Ciocalteu reagent
ISO 19563:2017	Determination of theanine in tea and instant tea in solid form using high-performance liquid chromatography
ISO 10727:2002	Tea and instant tea in solid form — Determination of caffeine content — Method using high-performance liquid chromatography
03/312776 DC : DRAFT AUG 2003	BS ISO 14502-1 - TEST METHODS FOR SUBSTANCES CHARACTERISTIC OF GREEN AND BLACK TEA - DETERMINATION OF TOTAL POLYPHENOLS IN TEA - COLORIMETRIC METHOD USING FOLIN-CIOCALTEU REAGENT
BS 6049-9:1999	Methods of test for tea Determination of crude fibre content
BS ISO 11287:2011	Green tea. Definition and basic requirements
ISO 14502-1:2005	Determination of substances characteristic of green and black tea Part 1: Content of total polyphenols in tea Colorimetric method using Folin-Ciocalteu reagent
BS 6048:1987	Specification for black tea
DIN ISO 14502-1:2007-11	DETERMINATION OF SUBSTANCES CHARACTERISTIC OF GREEN AND BLACK TEA - PART 1: CONTENT OF TOTAL POLYPHENOLS IN TEA - COLORIMETRIC METHOD USING FOLIN-CIOCALTEU REAGENT
BS ISO 10727:2002	Tea and instant tea in solid form. Determination of caffeine content. Method using high-performance liquid chromatography
BS ISO 3720:2011	Black tea. Definition and basic requirements
16/30300851 DC : 0	BS ISO 19563 - DETERMINATION OF THEANINE IN TEA AND INSTANT TEA IN SOLID FORM USING HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY
BS ISO 14502-2:2005	Determination of substances characteristic of green and black tea Content of catechins in green tea. Method using high-performance liquid chromatography
DIN ISO 10727 E : 2004	TEA AND INSTANT TEA IN SOLID FORM - DETERMINATION OF CAFFEINE CONTENT - METHOD USING HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY
BS ISO 19563:2017	Determination of theanine in tea and instant tea in solid form using high-performance liquid chromatography
BS ISO 19581:2017	Measurement of radioactivity. Gamma emitting radionuclides. Rapid screening method using scintillation detector gamma-ray spectrometry
ISO 3720:2011	Black tea Definition and basic requirements
16/30298316 DC : 0	BS ISO 19581 - MEASUREMENT OF RADIOACTIVITY - GAMMA EMITTING RADIONUCLIDES - RAPID TEST METHOD USING NAI(TL) GAMMA-RAY SPECTROMETRY
03/312777 DC : DRAFT AUG 2003	BS ISO 14502-2 - TEST METHODS FOR SUBSTANCES CHARACTERISTIC OF GREEN AND BLACK TEA - DETERMINATION OF CATECHINS IN GREEN TEA - METHOD USING HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY
ISO 14502-2:2005	Determination of substances characteristic of green and black tea Part 2: Content of catechins in green tea Method using high-performance liquid chromatography
DIN ISO 10727:2004-05	Tea and instant tea in solid form - Determination of caffeine content - Method using high-performance liquid chromatography (ISO 10727:2002)
ISO 11286:2004	Tea — Classification of grades by particle size analysis
ISO 11287:2011	Green tea Definition and basic requirements