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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

BS ISO 14502-1
Determination of substances characteristic of green and black tea - Content of total polyphenols in tea - Colorimetric method using Folin-Ciocalteu reagent

Title (German)

Untersuchung von charakteristischen Substanzen von Grün- und Schwarztee - Bestimmung der Gesamtpolyphenole in Tee - Colorimetrisches Verfahren mit Folin-Ciocalteu-Reagenz

Edition 2005-04-12

Original language English

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

BS ISO 14502-1 Determination of substances characteristic of green and black tea - Content of total polyphenols in tea - Colorimetric method using Folin-Ciocalteu reagent

Want to learn more?

BS ISO 14502-1
Determination of substances characteristic of green and black tea - Content of total polyphenols in tea - Colorimetric method using Folin-Ciocalteu reagent