General description

This Standard Reference Material (SRM) is intended primarily for use in validating analytical methods for the determination of catechins and xanthines in extracts of green tea (Camellia sinensis) and similar matrices. SRM 3255 can also be used for quality assurance when assigning values to in-house control materials. A unit of SRM 3255consists of five packets, each containing approximately 1 g of extract. For more information, plese refer to the SDS and COA.SRM 3255_cert SRM 3255 _SDS

Legal Information

NIST is a registered trademark of National Institute of Standards and Technology

SRM is a registered trademark of National Institute of Standards and Technology

Other Notes

Certified for the analytes listed below. See certificate for values and more detailsPhytochemicals: (–)-Epicatechin, (–)-Epicatechin gallate, (–)-Epigallocatechin, (–)-Epigallocatechin gallate, (–)-Epigallocatechin methylgallate, (–)-Gallocatechin, (–)-Gallocatechin gallate, (+)-Catechin, Caffeine, Gallic acid, L-Theanine, Theobromine, TheophyllineTrace Elements: Aluminum (Al), Arsenic (As), Copper (Cu), Iron (Fe), Lead (Pb), Manganese (Mn), Zinc (Zn)Matrix Group: Botanicals