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Standard and/or project under the direct responsibility of ISO/TC 34/SC 8 Secretariat Stage ICS
ISO 1572:1980
Tea -- Preparation of ground sample of known dry matter content
90.93
ISO 1573:1980
Tea -- Determination of loss in mass at 103 degrees C
90.93
ISO 1574:1980 [Withdrawn]
Tea -- Determination of water extract
95.99
ISO 1575:1980 [Withdrawn]
Tea -- Determination of total ash
95.99
ISO 1575:1987
Tea -- Determination of total ash
90.93
ISO 1576:1975 [Withdrawn]
Tea -- Determination of water-soluble ash and water-insoluble ash
95.99
ISO 1576:1988
Tea -- Determination of water-soluble ash and water-insoluble ash
90.93
ISO 1577:1980 [Withdrawn]
Tea -- Determination of acid-insoluble ash
95.99
ISO 1577:1987
Tea -- Determination of acid-insoluble ash
90.93
ISO 1578:1975
Tea -- Determination of alkalinity of water-soluble ash
90.93
ISO 1839:1980
Tea -- Sampling
90.93
ISO 3103:1980
Tea -- Preparation of liquor for use in sensory tests
90.92
ISO/NP 3103 [Under development]
Tea -- Preparation of liquor for use in sensory tests
10.99
ISO 3720:1981 [Withdrawn]
Black tea -- Specification
95.99
ISO 3720:1986 [Withdrawn]
Black tea -- Definition and basic requirements
95.99
95.99
95.99
ISO 3720:2011
Black tea -- Definition and basic requirements
90.93
ISO 6078:1982
Black tea -- Vocabulary
90.93
ISO 6079:1990
Instant tea in solid form -- Specification
90.93
ISO 6770:1982
Instant tea -- Determination of free-flow and compacted bulk densities
90.93
ISO 7513:1990
Instant tea in solid form -- Determination of moisture content (loss in mass at 103 degrees C)
90.93
60.60
ISO 7514:1990
Instant tea in solid form -- Determination of total ash
90.93
ISO 7516:1984
Instant tea in solid form -- Sampling
90.93
ISO 9768:1990 [Withdrawn]
Tea -- Determination of water extract
95.99
ISO 9768:1994
Tea -- Determination of water extract
90.93
60.60
ISO 9884-1:1994
Tea sacks -- Specification -- Part 1: Reference sack for palletized and containerized transport of tea
90.93
ISO 9884-2:1999
Tea sacks -- Specification -- Part 2: Performance specification for sacks for palletized and containerized transport of tea
90.93
ISO 10727:1995 [Withdrawn]
Tea and instant tea in solid form -- Determination of caffeine content -- Method using high-performance liquid chromatography
95.99
ISO 10727:2002
Tea and instant tea in solid form -- Determination of caffeine content -- Method using high-performance liquid chromatography
90.93
ISO 11286:1997 [Withdrawn]
Tea -- Classification of grades by particle size analysis
95.99
ISO 11286:2004
Tea -- Classification of grades by particle size analysis
90.93
ISO 11287:2011
Green tea -- Definition and basic requirements
90.93
ISO/TR 12591:2013
White tea -- Definition
90.92
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
90.93
60.60
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
90.93
60.60
ISO 15598:1999
Tea -- Determination of crude fibre content
90.93
ISO/NP 18447 [Under development]
Tea -- Determination of theaflavins in black tea -- Method using high performance liquid chromatography
10.99
ISO 19563:2017
Determination of theanine in tea and instant tea in solid form using high-performance liquid chromatography
60.60
ISO/NP 20715 [Under development]
Tea classification
10.99
ISO/CD 20716 [Under development]
Oolong tea -- General specification
30.60

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