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Certification of Standard Reference Material® 1568c Rice Flour



Chuck Barber, Colleen E. Bryan Sallee, Monique Johnson, Shaun Kotoski, Rick L. Paul, Nicholas Sharp, Maria Isabel Vega Martinez, James H. Yen, Lee L. Yu, Laura Wood, John Sieber, Stephen Long


The National Institute of Standards and Technology (NIST) recently released SRM 1568c Rice Flour which has value assignments for over 30 analytes, including arsenic species. This material is intended to be used for the evaluation of methods for the determination of elements and arsenic species in this and similar matrices. The material was purchased from commercial vendors. Measurement results were obtained from NIST and interlaboratory comparison exercises. This document describes the material, sample preparations, results, and data analysis.
Special Publication (NIST SP) - 260-229
Report Number


Arsenic Species, Elements, Moisture, Standard Reference Material (SRM), Rice Flour


Barber, C. , Bryan Sallee, C. , Johnson, M. , Kotoski, S. , Paul, R. , Sharp, N. , Vega Martinez, M. , Yen, J. , Yu, L. , Wood, L. , Sieber, J. and Long, S. (2022), Certification of Standard Reference Material® 1568c Rice Flour, Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD, [online],, (Accessed June 22, 2024)


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Created July 29, 2022, Updated November 29, 2022