ISO 1839:1980
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The latest, up-to-date edition.
Tea — Sampling
Available format(s)
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
Language(s)
English, French
Published date
01-02-1980
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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 |
| 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 |
| 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 |
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