Regulations on Tea

Regulations on Tea, Total:385 items.

The international standard classification for "Regulations on Tea" includes: Tea , Farming and forestry in general , General methods of tests and analysis for food products , food products in general , Trade. Commercial function. Marketing , Pesticides and other agrochemicals in general , Plant growing , Tea. Coffee. Cocoa .

The Chinese standard classification for "Regulations on Tea" includes: Tea products , Basic standards and general methods , Agriculture and forestry technology , Food sanitation , Cash crop in general , Tobacco, beverage crop and product , Beverages in general .

Group Standards of the People's Republic of China

T/QLCWY 001-2025 Qianluo Leaf Tea Processing Technical Regulations
T/GZTA 003-2024 Guizhou Tea Association’s announcement on the group standard “Guizhou White Tea Processing Technical Regulations”
T/ZLX 020-2021 Specification of pesticide application in green food tea production
T/CASME 894-2023 Technical regulations for sound and light prevention control of tea leafhopper
T/MTTIA 07-2021 Motuo tea processing operation specification
T/MTTIA 05-2021 Technical specification for the prevention and control of pests and weeds in Motuo tea organic tea garden
T/GZTPA 0011-2021 Determination of Fatty Acids in Guizhou Tea by Gas Chromatography-Mass Spectrometry
T/GZTPA 0003-2019 Determination of gibberellic acid residues in tea and green tea by liquid chromatography-mass spectrometry/mass spectrometry
T/MTTIA 19-2021 Technical specifications for picking fresh leaves of Motuo tea and storage and transportation of fresh leaves
T/BLTJBX 23-2021 Technical specification for tea packaging, storage and transportation
T/CDNX 042-2020 Regulations for the cultivation technology of Herbal coffee beans, leaf tea, scented tea
T/CTSS 10-2020 Technical regulation for foliar fertilizer application in tea plantation
T/YJCY 02-2025 Technical regulations for the cultivation of Yingjing tea leaves
T/CSTEA 00069-2024 Technical specification for E- commerce of tea sales service
T/CQSNCQCYXH 11-2018 Nanchuan Tea Production Technical Regulations
T/HNTI 056-2023 Tea theanine processing technical regulations
T/SDYY 504-2024 Technical specification for selenium-enriched tea production
T/GDNB 68-2021 Technical specifications of storage and transportation of fresh tea leaves
T/GDTI 1-2024 Tea e-commerce live sales service specifications
T/PDTCXH 003-2023 Forsythia leaf green tea processing technical regulations
T/CTSS 27-2021 Technical regulation for control of tea leafhoppers by 30% tea saponin water aqueous solution
T/CITS 0112-2024 Determination of aroma substances in tea-Gas chromatography-mass spectrometr
T/GZTA 005-2023 Guizhou Tea Association releases announcement on the group standard of "Guizhou White Tea"
T/GDAQI 95-2022 Identification method of the key aroma substances in tea
T/SDAS 755-2023 Peanut leaf tea processing technical regulations
T/SLAASS 0001-2021 The whole process quality control specification of tea
T/GGI 024-2022 Picking standard for Sinan Yancha
T/HSPP 0012-2023 Technical regulation for management of Empoasca flavescensin European-standard and organic tea plantations
T/PXTC 0005-2022 Pingshun forsythia leaf tea garden standardized production technical regulations
T/BNCY 005-2025 Menghai tea fresh leaf picking technical specifications
T/JMBX 0261-2023 Jiangshen Food Quality Control Technical Specifications Tea
T/HHJH 020-2021 Honghe Prefecture Agricultural Product Circulation Standards: Tea
T/YDCY 003-2022 Yidu tea processing technical specification
T/MBYZZZXCX 007-2023 Mabian tea hand-frying experience service specifications
T/MTTIA 01-2021 Technical specifications for the construction of Motuo tea organic tea gardens
T/GZTA 005-2025 Guizhou Tea Association releases announcement on group standard of technical regulations for tea appraiser vocational skills competition
T/GXAS 442-2023 Technical regulation for integrated management of Basilepta melanopus Lefevre in tea garden
T/YNTCA 033-2025 Technical regulations for the care of large-leaf tea trees after grafting
T/GZTA 003-2025 Guizhou Tea Association releases announcement on Guizhou Rosa roxburghii black tea group standard
T/YJCY 01-2022 Yingjing Tea Seedling Breeding Technical Regulations
T/GZCX 024-2023 Technical Regulations for Processing of Prickly Pear Leaf Tea
T/HBAS 017-2021 Grade evaluation of fresh leaves of Chibi Green Brick Tea
T/YJCY 02-2022 Yingjing Tea Cultivation Technical Regulations
T/ZFS 0028-2021 Management Standards for Tea Business Enterprises
T/GDAQI 96-2022 Identification method for the exogenous essence in tea
T/GDNB 143-2022 Code of practice for white tea processing of Nankunshan maoyecha
T/GDNB 144-2022 Code of practice for black tea processing of Nankunshan maoyecha
T/YTCX 003-2020 Yantai Mulberry Leaf Tea Processing Technical Regulations
T/GZTA 001-2024 Guizhou Tea Association's announcement on the release of the group standard for Duobei Ancient Tree Tea
T/AGFA 0012-2024 Green food tea planting technical specifications
T/MBYZZZXCX 006-2023 Mabian tea picking experience service specifications
T/GZTSS 2.2-2022 Liupanshui early tea Part 2:Processing technical specification
T/GZTA 006-2025 Guizhou Tea Association releases announcement on group standard of technical regulations for Guizhou handmade tea making vocational skills competition
T/YNTCA 034-2025 Yunnan large leaf tea machine-picked fresh leaves processing technical regulations
T/GZNFCY 1-2023 Tea trading services—Specifications for inspection and identification
T/YNTCA 014-2023 Technical regulation for control of Tea leaf roller moth
T/GZTA 001-2025 Guizhou Tea Association releases announcement on technical regulations and group standards for Guizhou New Tea Drinking Skills Competition
T/HNTI 058-2023 Taojiang Bamboo Tea Tree Cultivation Technical Regulations
T/YNTCA 011-2022 Technical Specification for Blockchain Tea Data Traceability
T/YNTCA 013-2023 Technical regulation for forecast and control of Tea blister blight
T/CAQI 272-2022 Determination of Aflatoxin B1 in Tea and Tea Products
T/GDNB 103-2022 Good planting technology standard for Jiangmen tea
T/MTTIA 06-2021 Technical specifications for picking fresh leaves of Motuo tea and storage and transportation of fresh leaves
T/MTTIA 02-2021 Technical specifications for the construction of Motuo tea ecological tea garden
T/GZTPA 0001-2019 Announcement on the release of T/GZTPA 0001-2019 "Determination of Carbofuran Residues in Tea and Vegetables by Enzyme-Linked Immunosorbent Assay"
T/GZTSS 3-2022 Specification for professional ability assessment of tea processing
T/GZTA 004-2025 Guizhou Tea Association releases announcement on Guizhou Osmanthus Tea Group Standard
T/QWCX 007-2022 Qianwei jasmine tea (tea) cultivation technical specification
T/NAIA 0188-2023 Determination of total flavonoids content in wolfberry leaves and wolfberry tea
T/YNTCA 009-2022 Code for Tea Value Assessment
T/GZTA 002-2025 Guizhou Tea Association releases announcement on the group standard for basic requirements for Guizhou New Tea beverage raw materials
T/MTTIA 03-2021 Motuo Tea Tea Tree Cultivation and Management Technical Specifications
T/GDFS 14-2022 Technical Regulations for Quality Inspection of Mujiang Yeke Sweet Tea
T/AGFA 0014-2024 Technical specifications for planting organic products Tea
T/HYCX 001-2024 Technical Regulations for Processing of Hakka Medium and Small Leaf Black Tea
T/XDBX 002-2023 Tea online sales specifications
T/TIC 027-2024 Tea online sales specifications
T/GZTA 002-2024 Guizhou Tea Association's announcement on the release of the group standard for "Four-ball Ancient Tree Tea"
T/LSSGB 012-2019 Lishui Agri-products (SHANGGENG): Safety production specification for high quality Tea
T/GZTSS 1-2021 Method for determination of theanine,theobromine constituents in tea by Near-infrared diffuse reflectance spectroscopy
T/YNTCA 005-2021 Specifications for quality and safety traceability platform of tea
T/MTTIA 04-2021 Technical Specifications for Motuo Tea Tea Tree Seedling Cultivation
T/ACPIAC 1-2017 National tea garden standards and evaluations
T/CDNX 044-2020 Herbal coffee leaf tea process to technical specification
T/GDNB 270-2025 Technical regulations for artificial breeding of tea green leafhopper
T/CSF 0099-2024 Technical regulations for processing Huoshan Dendrobium leaf tea
T/GXAS 651-2023 Technical code of practice for cultivation of leaves and seeds dual-use tea garden with Liupao tea
T/YNTCA 009-2025 Tea Value Assessment Standards
T/CTSS 7-2020 Evaluation Regulation for Level of Tea Sensory Evaluation
T/YNTCA 017-2023 Technical regulation for forecast and control of Tea lesser leafhopper
T/MTTIA 17-2021 Motuo tea trademark use and management norms
T/BLTJBX 21-2021 Tea trading service specification
T/CDAS 012-2024 Management specification of tea trading market
T/TSCYXH 001-2021 Technical regulation for planting of Taishun tea
T/CQSNCQCYXH 1-2021 Nanchuan Tea Production Technical Regulations
T/YJCY 01-2025 Technical regulations for the breeding of Yingjing tea seedlings
T/GZTA 004-2024 Guizhou Tea Association releases announcement on the group standard for Blueberry Golden Tea

Fujian Provincial Standard of the People's Republic of China

DB35/T 2047-2021 Service Specifications for Tea Experience Stores
DB3509/T 014-2023 Fuding Mulberry Leaf White Tea Processing Technical Regulations
DB35/T 1987-2021 Method for sensory evaluation of tea in tea competition

Shandong Provincial Standard of the People's Republic of China

DB37/T 2186-2012 Technical regulations for processing mulberry leaf tea
DB37/T 004-1991 High-quality and high-yield cultivation technical regulations for tea
DB3709/T 037-2025 Technical specification for picking and grading fresh Taishan tea leaves
DB37/T 2592-2014 Good Agricultural Practices Code of Practice for Exporting Tea
DB37/T 3555-2019 Standard Tea Garden Construction and Management Specifications
DB37/T 3554-2019 Technical specification for nutritional diagnosis of tea tree leaves
DB37/T 2765-2016 Photovoltaic Greenhouse Tea Production Technical Regulations
DB3711/T 161-2024 Tehua jiemadan zhaizhai gongji pinggu

Sichuan Provincial Standard of the People's Republic of China

DB5107/T 102-2022 Beichuan Tea Processing Technical Specifications
DB51/T 2947-2022 Specification for processing technology of mulberry leaf tea
DB51/T 877-2009 Technical regulations for the production of pollution-free agricultural products tea
DB51/T 607-2019 Standards for forecasting and survey of tea tree green leafhopper
DB5115/T 87-2022 Technical specification for golden bud tea grafting
DB51/T 2366-2017 Technical specification for mechanized operation of tea strips
DB5114/T 28-2020 Hongya tea production and processing technical specifications
DB51/T 2482-2018 Technical regulations for picking fresh tea leaves

Guangxi Provincial Standard of the People's Republic of China

DB45/T 2131-2020 Golden camellia tea processing technical regulations
DB45/T 203-2022 Green food tea production technical regulations
DB4503/T 0033-2022 Cultivation technical regulations for dual-purpose sweet tea with fruit and leaves
DB45/T 2241-2020 Technical regulations for processing mulberry leaf teabag
DB45/T 1170-2015 Technical Regulations for the Production of Tissue Culture Seedlings of Sanyexiangchacai
DB45/T 2438-2022 Liubao tea fresh leaf picking technical regulations
DB45/T 2161-2020 Technical regulations for tea production in machine-picked tea gardens
DB45/T 1932-2019 Technical regulations for processing mulberry leaf green tea
DB45/T 886-2012 Technical regulations for the production of sweet tea (Rubus sweet leaf)
DB45/T 2653-2023 Mulberry leaf black tea processing technical regulations

Jiangsu Provincial Standard of the People's Republic of China

DB32/T 3529-2019 Osmanthus white leaf tea processing technical regulations
DB3205/T 164-2008 White leaf tea cultivation technical regulations
DB32/T 1682-2010 Technical Regulations for Green Yangchun Tea Tea Processing
DB32/T 3858-2020 White leaf black tea processing technical regulations
DB32/T 1682-2022 Luyangchun tea-Technical rules for procession of tea

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/Z 21722-2008 Code on quality and safety control of tea for export
GB/T 21729-2008 Determination of selenium content in tea
GB/T 23205-2008 Determination of 448 pesticides and related chemicals residues in tea - LC-MS-MS method
GB/T 23193-2008 Determination of theanine in tea - High performance liquid chromatography
GB/T 23204-2008 Determination of 519 pesticides and related chemicals residues in teas - GC-MS method
GB/T 8313-2008 Determination of total polyphenols and catechins content in tea
GB/T 23193-2017 Determination of theanine in tea-Using high performance liquid chromatography
GB/T 8313-2018 Determination of total polyphenols and catechins content in tea
BJS 201713 Determination of 59 compounds including acetaminophen in beverages, tea and related products
BJS 201714 Determination of 18 compounds including diflunisal in beverages, tea and related products
GB/T 5009.57-1996 Method for analysis of hygienic standard of tea
GB/T 5009.57-2003 Method for analysis of hygienic standard of tea
GB/T 32744-2016 Good manufacturing practice of tea
GB/T 30483-2013 Determination of theaflavins in tea－High performance liquid chromatography
BJS 201910 Determination of Art Green (Lead Chrome Green) in Tea
GB/Z 26576-2011 Production technical practice for tea

Professional Standard - Supply and Marketing Cooperative

GH/T 1076-2011 Techonlogical regulations for tea production
GH/T 1077-2011 Technological regulations of tea processing
GH/T 1125-2016 Technical Regulations for Control of Rare Earth Content in Tea
GH/T 1104-2015 The operation and manaement specification of tea exclusive shop industry
GH/T 1126-2016 Technical Regulations for Control of Fluoride Content in Tea

Professional Standard - Agriculture

NY/T 5337-2006 Pollution-free Food - Specification for Tea Production Management
NY/T 5018-2015 Code of practice for tea production
NY/T 3168-2017 Good agricultural practice for tea
NY/T 5019-2001 Pollution-free food and tea processing technology procedures
NY/T 1721-2009 Determination of propargite residues in tea by GC
NY/T 3631-2020 Determination of theobromine and theophylline in tea—High performance-liquid chromatography
NY/T 1960-2010 Determination of magnetic metals content in tea
NY/T 5018-2001 Pollution-free food tea production technical regulations
明白纸-1 Tea Production Management Regulations
NY/T 3862-2021 Technical code of practice for monitoring tea brown blight disease
NY/T 3863-2021 Technical code of practice for integrated control of tea brown blight disease
SN/T 5652.10-2024 Imported Food Traceability Guidelines Based on Traceability Codes and Location Technologies Part 10: Tea
NY/T 2102-2011 Technical specification for tea sampling

Zhejiang Provincial Standard of the People's Republic of China

DB3301/T 017.2-2007 Changhe sweet-scented osmanthus tea part 2: tea and sweet-scented osmanthus harvesting techniques
DB3307/T 77-2018 Cultivation technical regulations for dual-purpose tea trees with seed leaves
DB3301/T 0174-2018 Tea trading service specification
DB3305/T 187-2021 Baiye No. 1 tea garden management technical specification
DB33/T 675-2008 Safe production planting technical regulation of tea
DB33/T 2435-2022 Technical specification for tea seed production

Hubei Provincial Standard of the People's Republic of China

DB42/T 895-2013 Processing technical regulation of lotus leaf tea
DB42/T 678-2023 Green Control Technical Regulations for Tea Little Green Leafhopper
DB4206/T 42-2021 Dandelion leaf tea processing technical regulations
DB42/T 678-2010 Rules for investigation and forecast of the small green leafhopper（Empiasca flavescens Fab.）on the tea
DB42/T 1182-2016 Technical regulations for processing fresh leaves of tea tree machines
DB42/T 678-2011 Technical specification for tea leafhopper forecasting
DB42/T 430-2022 Technical regulations for quality control of tea storage

Professional Standard - Commodity Inspection

SN/T 3133-2012 Rules for inspection of tea for import and export
SN/T 0915-2000 Method for the determination of caffeine in tea for import and export
SN/T 0920-2000 Method for the determination of water extract of tea for import and export
SN/T 0925-2000 Method for the determination of tea total ash of for import and export
SN/T 0923-2000 Method for the determination of acid-insoluble ash of tea for import and export
SN/T 0919-2000 Method for the determination of moisture of tea for import and export
SN/T 0914-2000 Method for the determination of dust and broken tea content in tea for import and export
SN/T 1490-2004 Rule of quarantine of tea import and export
SN/T 0913-2000 Method for the determination of crude fibre in tea for import and export
SN/T 2072-2008 Determination of tetradifon residues in tea for import and export
SN/T 1594-2019 Determination of buprofezin residue in tea and herbal tea for export
SN/T 0924-2000 Method for the weighing survey of tea for import and export

Chongqing Provincial Standard of the People's Republic of China

DB50/T 1434-2023 Technical regulations for processing mulberry leaf tea

Shanxi Provincial Standard of the People's Republic of China

DB14/T 1489-2017 Technical regulations for processing mulberry leaf tea

Qinghai Provincial Standard of the People's Republic of China

DB63/T 1771-2020 Technical specifications for the establishment of Tibetan camellia leaf and crabapple tea gardens

Henan Provincial Standard of the People's Republic of China

DB41/T 1396-2017 Technical specifications for the construction of standard tea gardens
DB41/T 1304-2016 Technical Regulations for Comprehensive Control of Tea Leafhopper
DB41/T 2357-2022 Technical Regulations for Processing Eucommia Leaf Tea
DB41/T 2355-2022 Forsythia leaf green tea processing technical regulations
DB41/T 1939-2020 Technical regulations for processing mulberry leaf tea
DB41/T 2508-2023 Tea product quality and safety traceability operating procedures
DB41/T 839-2013 Ginkgo leaf tea processing technical regulations
DB4113/T 013-2021 Tongbai Yuye Tea Production Technical Regulations

Yunnan Provincial Standard of the People's Republic of China

DB5328/T 20-2022 Specifications for construction and management of primary tea manufacturing facilities
DB5306/T 90-2022 Technical regulations for breeding small-leaf tea seedlings
DB5328/T 21-2022 Technical regulations for the construction of tea processing plants
DB5306/T 91-2022 Technical regulations for the cultivation and management of small-leaf tea
DB5306/T 93-2022 Technical regulations for transformation of low-yielding small-leaf tea gardens
DB5308/T 39-2017 Evaluation Standards for Green Tea Enterprises
DB5305/T 191-2024 Technical regulations for the processing of mulberry leaf tea
DB5306/T 92-2022 Technical regulations for pest control of small-leaf tea
DB5305/T 88-2024 Technical regulations for processing Baoshan large-leaf white tea
DB5305/T 2.9-2019 Baoshan City Tea Standardized Production Comprehensive Technical Specification Part 9: Tea Quality
DB5305/T 88-2022 Baoshan big-leaf white tea processing technical regulations
DB5305/T 2.8-2019 Baoshan City Tea Standardized Production Comprehensive Technical Specification Part 8: Tea Processing

Jiangxi Provincial Standard of the People's Republic of China

DB36/T 349-1999 Technical regulations for pollution-free tea production
DB36/T 1321-2020 Technical Regulations for Selenium-enriched Cultivation of Tea
DB36/T 1772-2023 Technical regulations for processing mulberry leaf green tea
DB36/T 864-2015 Technological regulation for nuisanceless tea production
DB36/T 1436-2021 Technical Regulations for the Prevention and Control of Tea Leafhopper
DB36/T 363-2001 Technical regulations for the production and processing of organic tea
DB36/T 865-2015 Green food―Technological regulation for tea production
DB36/T 1560-2021 Technical specification for nutritional diagnosis of oil tea leaves

Hunan Provincial Standard of the People's Republic of China

DB43/T 3152.3-2024 Wucai Xiangcha Vocational Competency Training Specification Part 3: Tea Processing
DB43/T 726-2024 Tea chain operation management specifications
DB43/T 1992-2021 Technical regulations for the processing of Sanye Akebia fruit tea
DB43/T 832-2013 Technical regulations for the production of selenium-enriched tea
DB43/T 726-2012 Management Standards for Tea Chain Enterprises
DB43/T 2971-2024 Taojiang Bamboo Leaf Tea Processing Technical Regulations
DB43/T 2386-2022 Technical regulations for the construction of leaf and fruit dual-use tea gardens
DB43/T 799-2013 Technical regulations for safe production of pollution-free tea
DB43/T 1352-2017 Technical specification for tea garden intercropping sweet potato
DB43/T 2489-2022 Technical Regulations for Dwarf Cultivation of Mujiangyeke (Yaocha)

Hebei Provincial Standard of the People's Republic of China

DB1305/T 78-2023 Hawthorn leaf tea processing technical regulations

Guangdong Provincial Standard of the People's Republic of China

DB4415/T 48-2025 Technical regulations for comprehensive prevention and control of tea leaf beetles
DB44/T 466-2008 Regulations on the use of pesticides for pollution-free tea
DB4403/T 88-2020 Technical specification for tea storage and transportation
DB44/T 2121-2018 Technical specification for nutritional diagnosis of oil tea leaves

Shaanxi Provincial Standard of the People's Republic of China

DB6110/T 014-2022 Technical specification for tea quality control
DB61/T 1760-2023 Technical regulations for processing Jinhua mulberry leaf tea

Anhui Provincial Standard of the People's Republic of China

DB3418/T 040-2025 Technical Regulations for the Production and Processing of Wuhe Tea
DB34/T 3923-2021 Stevia tea processing technical regulations
DB34/T 2681-2016 High-fragrance mulberry leaf tea processing technical regulations
DB34/T 1135-2010 Technical specification for mechanized operation of tea strips
DB34/T 1300-2010 Technical regulations for tea mechanized picking

Guizhou Provincial Standard of the People's Republic of China

DB52/T 436-2002 Guizhou Famous and Excellent Tea Evaluation Standards
DB5206/T 03-2018 Fanjingshan tea whole process cleaning technical regulations
DB5227/T 11.7-2017 Guiding Yunwu tribute tea fresh leaf picking and quality control technical specificationpdf
DB5206/T 08-2018 Fanjing Mountain Pollution-free Tea Cultivation Technical Regulations
DB5206/T 17-2018 Fanjingshan pollution-free tea processing technical regulations
DB5206/T 09-2018 Fanjing Mountain Organic Tea Cultivation Technical Regulations
DB52/T 712-2011 Guizhou Xiaoye Kudingcha Cultivation Technical Regulations
DB52/T 648-2010 Guizhou General Technical Specifications for Tea Packaging
DB5206/T 12-2018 Fanjing Mountain Tea Mechanized Picking Technical Regulations

National Health Commission of the People's Republic of China

GB 23200.13-2016 National Food Safety Standard―Determination of 448 pesticides residues in tea Liquid chromatography-mass spectrometry

Hainan Provincial Standard of the People's Republic of China

DB46/T 629-2024 Agricultural products whole industry chain production standard tea

AT-ON

ONORM DIN 10805-1994 Analysis of tea. Determination of acid insoluble ash
ONORM DIN 10800-1993 Analysis of tea and tea products - Determination of dry matter content
ONORM DIN 10803-1993 Analysis of tea - Determination of water extract
ONORM DIN 10806-1994 Analysis of tea. Preparation of ground sample of defined dry matter content
ONORM DIN 10801-1993 Analysis of tea - Determination of Coffein content - Reference method

International Organization for Standardization (ISO)

ISO 3103:1980 Tea; Preparation of liquor for use in sensory tests
ISO 1575:1987 Tea; Determination of total ash
ISO 1575:1975 Title missing - Legacy paper document
ISO 1575:1980 Tea — Determination of total ash
ISO 9768:1990 Tea — Determination of water extract
ISO 1574:1975 Title missing - Legacy paper document
ISO 1574:1980 Tea — Determination of water extract
ISO 9768:1994 Tea - Determination of water extract
ISO 9884-2:1999 Tea sacks - Specification - Part 2: Performance specification for sacks for palletized and containerized transport of tea
ISO 9884-1:1994 Tea sacks - Specification - Part 1: Reference sack for palletized and containerized transport of tea
ISO 15598:1999 Tea - Determination of crude fibre content
ISO 1577:1987 Tea; Determination of acid-insoluble ash
ISO 1577:1980 Tea — Determination of acid-insoluble ash
ISO 1573:1975 Title missing - Legacy paper document
ISO 1573:1980 Tea; Determination of loss in mass at 103 degrees C
ISO 1578:1975 Tea; Determination of alkalinity of water-soluble ash
ISO 19563:2017 Determination of theanine in tea and instant tea in solid form using high-performance liquid chromatography
ISO 9768:1994/cor 1:1998 Tea - Determination of water extract; Technical Corrigendum 1
ISO 1576:1988 Tea; determination of water-soluble ash and water-insoluble ash
ISO 1576:1975 Tea — Determination of water-soluble ash and water-insoluble ash
ISO 10727:1995 Tea and instant tea in solid form - Determination of caffeine content - Method using high-performance liquid chromatography

German Institute for Standardization

DIN 10805:1985 Analysis of tea; determination of acid insoluble ash
DIN 10800:1992-02 Analysis of tea; determination of mass loss of unground tea at 103 °C
DIN 10800:1992 Analysis of tea; determination of loss in mass of unground tea at 103 °C
DIN 10800:2016 Analysis of tea - Determination of loss in mass of unground tea at 103 °C
DIN 10800 E:2015-12 Analysis of tea; determination of loss in mass of unground tea at 103 °C
DIN ISO 9768:1999 Tea - Determination of water extract (ISO 9768:1994)
DIN 10802:2016-04 Analysis of tea - Determination of total ash
DIN 10802:1989 Analysis of tea; determination of total ash
DIN 10802:2016 Analysis of tea - Determination of total ash
DIN 10802 E:2015-07 Analysis of tea; determination of total ash
DIN 10800:2016-07 Analysis of tea - Determination of loss in mass of unground tea at 103 °C
DIN 10806:2016-07 Analysis of tea - Preparation of ground sample of defined dry matter content
DIN 10806:1992-02 Analysis of tea; preparation of ground sample of defined dry matter content
DIN 10805:1985-10 Analysis of tea; determination of acid insoluble ash
DIN 10806:1992 Analysis of tea; preparation of ground sample of defined dry matter content
DIN 10806 E:2015-12 Analysis of tea; preparation of ground sample of defined dry matter content
DIN 10806:2016 Analysis of tea - Preparation of ground sample of defined dry matter content
DIN 10800 E:2015 Draft Document - Analysis of tea - Determination of loss in mass of unground tea at 103 Â°C
DIN 10802 E:2015 Draft Document - Analysis of tea - Determination of total ash
DIN 10806 E:2015 Draft Document - Analysis of tea - Preparation of ground sample of defined dry matter content
DIN 10810:1996 Analysis of tea and tea products - Determination of theobromine and coffeine content of instant tea in solid form and instant tea products - HPLC-method
DIN 10807:1996-02 Analysis of tea - Determination of fluoride content - Potentiometric method
DIN ISO 10727:2004 Tea and instant tea in solid form - Determination of caffeine content - Method using high-performance liquid chromatography (ISO 10727:2002)
DIN ISO 1576:1992 Tea; determination of water-soluble ash and water-insoluble ash; identical with ISO 1576:1988
DIN 10807:1996 Analysis of tea - Determination of fluoride content - Potentiometric method

VN-TCVN

TCVN 5616-1991 Tea.Method for the determination of broken and dust contents

Gosstandart of Russia

GOST 6207-1975 Coarse tea-leaf. Specifications
GOST 6206-1969 Graded tea-leaf. Specifications

Korean Agency for Technology and Standards (KATS)

KS H ISO 1575-2007(2021) Tea－Determination of total ash
KS H ISO 1575:2007 Tea－Determination of total ash
KS H ISO 1575-2007(2012) Tea－Determination of total ash
KS H ISO 1575-2021 Tea－Determination of total ash
KS H ISO 9768-2007(2012) Tea－Determination of water extract
KS H ISO 9768-2007(2021) Tea－Determination of water extract
KS H ISO 9768:2007 Tea－Determination of water extract
KS H ISO 9768-2021 Tea－Determination of water extract
KS H ISO 1573-2021 Tea－Determination of loss in mass at 103 ℃
KS H ISO 15598:2007 Tea－Determination of crude fibre content
KS H ISO 1573-2007(2012) Tea－Determination of loss in mass at 103 ℃
KS H ISO 15598-2007(2021) Tea－Determination of crude fibre content
KS H ISO 15598-2021 Tea－Determination of crude fibre content
KS H ISO 15598-2007(2012) Tea－Determination of crude fibre content
KS H ISO 1573:2007 Tea-Determination of loss in mass at 103 ℃
KS H ISO 1577-2007(2021) Tea－Determination of acid-insoluble ash
KS H ISO 1577:2007 Tea－Determination of acid-insoluble ash
KS H ISO 1577-2007(2012) Tea－Determination of acid-insoluble ash
KS H ISO 1577-2021 Tea－Determination of acid-insoluble ash
KS K 7813-2008(2013) Cotton T-shirts(Underware)
KS H ISO 1578:2007 Tea－Determination of alkalinity of water-soluble ash
KS H ISO 1578-2021 Tea－Determination of alkalinity of water-soluble ash
KS H ISO 1578-2007(2012) Tea－Determination of alkalinity of water-soluble ash
KS H ISO 1578-2007(2021) Tea－Determination of alkalinity of water-soluble ash
KS H ISO 1576:2007 Tea－Determination of water-soluble ash and water-insoluble ash
KS H ISO 1576-2007(2012) Tea－Determination of water-soluble ash and water-insoluble ash
KS H ISO 1576-2007(2021) Tea－Determination of water-soluble ash and water-insoluble ash
KS H ISO 1576-2021 Tea－Determination of water-soluble ash and water-insoluble ash

Association Francaise de Normalisation

NF V03-344*NF ISO 1575:1989 Tea. Determination of total ash.
NF V03-343*NF ISO 9768:1994 Tea. Determination of water extract.
NF V03-342:1981 Tea. Determination of loss in mass at 103 degrees C.
NF V03-341:1981 Tea. Preparation of ground sample of known dry matter content.
NF V03-347*NF ISO 1577:1989 Tea. Determination of acide-insoluble ash.
NF V03-346:1981 Tea. Determination of alkalinity of water-soluble ash.
NF V05-323:1995 Tea and instant tea in solid form. Determination of caffeine content. Method using high-performance liquid chromatography.
NF V03-345*NF ISO 1576:1989 Tea. Determination of water-soluble ash and water-insoluble ash.

IN-BIS

IS 13854-1994 Tea - determination of total ash
IS 13853-1994 Tea - determination of loss in mass at 103 degree
IS 13649-1993 Textiles. Polyethylene lined jute bags for packing tea. Specification

GCC Standardization Organization

GSO ISO 1576:2002 Methods of examination and teat for tea-determination of the total ash-water.
GSO ISO 15598:2014 Tea -- Determination of crude fibre content
BH GSO ISO 9884-2:2024 Tea sack-specification-part 2: performance specification for sacks for palletized and containerized transport of tea
GSO ISO 9884-1:2007 Tea sacks - Specification - Part 1: Reference sack for palletized and containerized transport of tea
GSO ISO 1574:2002 METHODS OF TEST FOR TEA – DETERMINATION OF WATER EXTRACT
GSO ISO 9768:2007 Tea- Methods of test Determination of water extract
GSO ISO 9884-2:2007 Tea sack-specification-part 2: performance specification for sacks for palletized and containerized transport of tea
GSO ISO 14502-1:2008 Determination of substances characteristic of green and black tea- part1: content of total polyphenols in tea - colorimetric method using Folin-Ciocalteu reagent

The Directorate General of Specifications and Metrology (DGSM)

OS GSO ISO 1576:2002 Methods of examination and teat for tea-determination of the total ash-water.
OS GSO ISO 9884-1:2007 Tea sacks - Specification - Part 1: Reference sack for palletized and containerized transport of tea
OS GSO ISO 1575:2002 METHODS OF TEST FOR TEA DETERMINATION OF TOTAL ASH
OS GSO ISO 1573:2002 METHODS OF TEST FOR TEA DETERMINATION OF LOSS IN MASS AT 103?C
OS GSO ISO 14502-1:2008 Determination of substances characteristic of green and black tea- part1: content of total polyphenols in tea - colorimetric method using Folin-Ciocalteu reagent

British Standards Institution (BSI)

BS 7804-2:1999 Tea sacks. Performance specification for sacks for palletized and containerized transport of tea
BS ISO 18447:2021 Tea. Determination of theaflavins in black tea. Method using high performance liquid chromatography
BS 7804-1:1995 Tea sacks. Specification for a reference sack for palletized and containerized transport of tea
BS 6049-4:1981 Methods of test for tea-Determination of total ash
BS 6049-3:1990 Method of test for tea.-Determination of water extract
BS ISO 19563:2017 Determination of theanine in tea and instant tea in solid form using high-performance liquid chromatography
BS 6049-6:1981 Methods of test for tea-Determination of acid-insoluble ash
BS ISO 14502-1:2005(2006) Determination of substances characteristic of green and black tea — Part 1 : Content of total polyphenols in tea — Colorimetric method using Folin - Ciocalteu reagent

Bureau of Indian Standards

IS 13862-1999 Tea - Determination of Water Extract
IS 16041-2012 Tea —— Determination of Crude Fibre Content
IS 15576-2024 Multi-wall Paper Sacks for Tea for Export - Specification

CN-QIYE

Q/CJL 0001S-2025 Cha Jiao Li Tea Traceability and Evaluation Standards

Kingdom of Bahrain Testing and Metrology Directorate

BH GSO ISO 15598:2016 Tea -- Determination of crude fibre content

RO-ASRO

STAS 9682/9-1989 STIMULANTS TEA Determination of water extract
STAS 9682/7-1976 Stimulant foods TEA Determination of ash
STAS 9682/11-1989 Stimulants TEA Determination of alkalinity of water- soluble ash