Determination of Caffeine and Caffeine-Related Metabolites in Ephedra-Containing Standard Reference Materials Using Liquid Chromatography with Absorbance Detection and Tandem Mass Spectrometry
Document Type: Research Article
Affiliations: 1: National Institute of Standards and Technology, Analytical Chemistry Division, Gaithersburg, MD 20899-8392. 2: K-Force, 1001 East Palm Ave, Tampa, FL 33605; ChromaDex, Inc., Clearwater, FL 33760. 3: Tampa Bay Analytical Research, Inc., 10810 72nd St, Suite 206, Largo, FL 33777; ChromaDex, Inc., Clearwater, FL 33760. 4: National Institute of Standards and Technology, Statistical Engineering Division, Gaithersburg, MD 20899-8980. 5: National Institute of Standards and Technology, Biochemical Science Division, Gaithersburg, MD 20899-8392.
Publication date: July 1, 2007
- The Journal of AOAC INTERNATIONAL publishes refereed papers and reviews in the fields of chemical, biological and toxicological analytical chemistry for the purpose of showcasing the most precise, accurate and sensitive methods for analysis of foods, food additives, supplements and contaminants, cosmetics, drugs, toxins, hazardous substances, pesticides, feeds, fertilizers and the environment available at that point in time. The scope of the Journal includes unpublished original research describing new analytical methods, techniques and applications; improved approaches to sampling, both in the field and the laboratory; better methods of preparing samples for analysis; collaborative studies substantiating the performance of a given method; statistical techniques for evaluating data. The Journal will also publish other articles of general interest to its audience, e.g., technical communications; cautionary notes; comments on techniques, apparatus, and reagents.
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