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Publication Citation: Development and Certification of Green Tea-Containing Standard Reference Materials

NIST Authors in Bold

Author(s): Lane C. Sander; Mary Bedner; Michael C. Tims; James H. Yen; David L. Duewer; Barbara J. Porter; Steven J. Christopher; Russell D. Day; Stephen E. Long; John L. Molloy; Karen E. Murphy; Brian E. Lang; Rachel A. Lieberman; Laura J. Wood; M. Payne; M. C. Roman; J. M. Betz; A. NguyenPho; Katherine E. Sharpless; Stephen A. Wise;
Title: Development and Certification of Green Tea-Containing Standard Reference Materials
Published: November 30, 2011
Abstract: A suite of three green tea-containing Standard Reference Materials (SRMs) has been issued by the National Institute of Standards and Technology (NIST). The materials are characterized for catechins, xanthine alkaloids, theanine, and toxic elements. As many as five methods were used in assigning certified and reference values to the constituents, with measurements carried out at NIST and at collaborating laboratories. The materials are intended for use in the development and validation of new analytical methods, and for use as control materials as a component in the support of claims of measurement traceability.
Citation: Analytical Chemistry
Volume: 402
Pages: pp. 473 - 487
Keywords: tea, catachins, reference materials, Camellia sinensis, caffeine
Research Areas: Chemical Analysis
DOI: http://dx.doi.org/10.1007/s00216-011-5472-7  (Note: May link to a non-U.S. Government webpage)