ISO 1572:1980
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The latest, up-to-date edition.
Tea Preparation of ground sample of known dry matter content
Available format(s)
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
Language(s)
English, French
Published date
01-08-1980
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The method consists in grinding of the sample, and determination of the dry matter content of the ground sample by heating a test portion in an oven at 103 +/-2 degrees centigrade to constant mass.
| DevelopmentNote |
Also numbered as BS 6049-1(1981) (09/2005)
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| DocumentType |
Standard
|
| Pages |
2
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
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| Standards | Relationship |
| NFV 03 341 : 1981 | Identical |
| IS 13852 : 1994(R2014) | Identical |
| GOST ISO 1572 : 2013 | Identical |
| PN ISO 1572 : 1996 | Identical |
| BIS IS 13852 : 1994(R1999) | Identical |
| BIS IS 16027 : 2012 | TEA AND INSTANT TEA IN SOLID FORM - DETERMINATION OF CAFFEINE CONTENT - METHOD USING HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY |
| 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 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 7820-1:1995 | Analysis of tea and tea products Tea and instant tea. Determination of caffeine content |
| BS ISO 3720:2011 | Black tea. Definition and basic requirements |
| 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 |
| 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) |
| 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 11287:2011 | Green tea Definition and basic requirements |
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