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caffeine in tea

caffeine in tea, Total:39 items.

In the international standard classification, caffeine in tea involves: Tea. Coffee. Cocoa, Food products in general, Farming and forestry, General methods of tests and analysis for food products, Protection against crime.

Group Standards of the People's Republic of China, caffeine in tea

• T/CDNX 040-2020 Herbal Coffee Leaf tea
• T/CDNX 044-2020 Herbal coffee leaf tea process to technical specification
• T/CDNX 042-2020 Regulations for the cultivation technology of Herbal coffee beans, leaf tea, scented tea
• T/YNBX 020-2020 Determination of trigonelline, chlorogenic acid and caffeine in coffee—high performance liquid chromatography
• T/YNTCA 016-2023 Technical regulation for forecast and control of Coffee red spider mite

RO-ASRO, caffeine in tea

• STAS SR 13318-1995 Tea Determination of coffeine content

AT-ON, caffeine in tea

• ONORM DIN 10801-1993 Analysis of tea - Determination of Coffein content - Reference method

International Organization for Standardization (ISO), caffeine in tea

• ISO 10727:1995 Tea and instant tea in solid form - Determination of caffeine content - Method 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

Association Francaise de Normalisation, caffeine in tea

• NF V05-323:1995 Tea and instant tea in solid form. Determination of caffeine content. Method using high-performance liquid chromatography.

German Institute for Standardization, caffeine in tea

• 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 10783:2011 Analysis of coffee and coffee products - Determination of dichlormethane in decaffeinated green coffee using headspace gaschromatography
• DIN 10783:2011-01 Analysis of coffee and coffee products - Determination of dichlormethane in decaffeinated green coffee using headspace gaschromatography
• 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 ISO 10727:2004-05 Tea and instant tea in solid form - Determination of caffeine content - Method using high-performance liquid chromatography (ISO 10727:2002)
• DIN 10810:1996-02 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 10811-1:2000 Analysis of tea and tea products - Determination of theobromine and caffeine content of fluid tea drinks - Part 1: HPLC-Routine method
• DIN 10811-1:2000-09 Analysis of tea and tea products - Determination of theobromine and caffeine content of fluid tea drinks - Part 1: HPLC-Routine method
• DIN 10811-2:1997 Analysis of tea and tea products - Determination of theobromine and caffeine content of fluid tea drinks - Part 2: HPLC-reference method (for low theobromine contents also)
• DIN 10811-2:1997-10 Analysis of tea and tea products - Determination of theobromine and caffeine content of fluid tea drinks - Part 2: HPLC-reference method (for low theobromine contents also)

RU-GOST R, caffeine in tea

• GOST 19885-1974 Tea. Methods for determination of tannin and coffeine content
• GOST ISO 10727-2013 Tea and instant tea. Determination of caffeine content. Method using high-performance liquid chromatography

Professional Standard - Commodity Inspection, caffeine in tea

• SN/T 0915-2000 Method for the determination of caffeine in tea for import and export
• SN/T 0744-1999 Method for deternination of vitamin C and caffeine in beverages for export
• SN/T 1781-2006 Determination of caffeine in cosmetics for import and export - Liquid chromatography method
• SN/T 1354-2004 Determination of caffeine in honey for import and export--Liquid chromatography
• SN/T 2440-2010 Determination of caffeine in royal jelly for import and export- LC-MS/MS

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, caffeine in tea

• GB/T 5009.139-2003 Determination of caffeine in beverages
• GB/T 5009.197-2003 Determination of thiamine hydrochloride,pyridoxine hydrochloride,niacin niacinamide and caffeine in health foods

Professional Standard - Agriculture, caffeine in tea

• GB/T 16344-1996 Method for determination of caffeine in beverages
• SN/T 1781-2023 Determination of Caffeine in Imported and Exported Cosmetics
• 85药典 化学药和生物制品卷-2010 Chapter 1 Nervous System Drugs Section 5 Central Nervous Stimulant Caffeine

CZ-CSN, caffeine in tea

• CSN 58 0114-2001 Coffee extracts and chicory extracts - Determination of the caffeine content in decaffeinated coffee extracts - etermination of the dry matter content in dried extract - Determination of the dry matter content in liquid extract

VE-FONDONORMA, caffeine in tea

• NORVEN 373

National Health Commission of the People's Republic of China, caffeine in tea

• GB 5009.139-2014 Determination of caffeine in national food safety standard beverages

中华全国供销合作总社, caffeine in tea

• GH/T 1259-2019 Near-infrared spectroscopic determination of moisture, tea polyphenols and caffeine content in tea polyphenol products
• GH/T 1260-2019 Near-infrared spectroscopic determination of moisture, tea polyphenols and caffeine content in solid instant tea

Professional Standard - Public Safety Standards, caffeine in tea

• GA/T 2034-2023
• GA/T 2035-2023 Forensic sciences—Examination methods for caffeine in suspected drugs—LC and LC-MS

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