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Search Publications by: Liz Mackey (Fed)

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Displaying 1 - 25 of 52

Certification of Elements in and Use of Standard Reference Material 3280 Multivitamin/Multielement Tablets

December 2, 2013
Author(s)
Gregory C. Turk, Katherine E. Sharpless, Steven J. Christopher, Danielle Cleveland, Russell D. Day, Stephen E. Long, Elizabeth A. Mackey, Anthony F. Marlow, Rick L. Paul, John R. Sieber, Rabia Oflaz, Laura J. Wood, Lee L. Yu, Rolf L. Zeisler, Stephen A. Wise, James H. Yen, E. Greene, J. Harnly, I-P Ho, Joseph M. Betz, R. Q. Thompson, Candace Jongsma
Standard Reference Material (SRM) 3280 Multivitamin/Multielement Tablets was issued by the National Institute of Standards and Technology (NIST) in 2009 and has certified and reference mass fraction values for 13 vitamins, 26 elements, and 2 carotenoids

Certification of Three NIST Renewal Soil Standard Reference Materials(R) for Element Content: SRM 2709a San Joaquin Soil, SRM 2710a Montana Soil I, and SRM 2711a Montana Soil II

June 1, 2010
Author(s)
Elizabeth A. Mackey, Christopher S. Johnson, Richard M. Lindstrom, Stephen E. Long, Anthony F. Marlow, Karen E. Murphy, Rick L. Paul, Rachel S. Popelka-Filcoff, Savelas A. Rabb, John R. Sieber, Rabia Oflaz, Bryan E. Tomlin, Laura J. Wood, James H. Yen, Lee L. Yu, Rolf L. Zeisler, S. A. Wilson, M. G. Adams, Z. A. Brown, P. L. Lamothe, J. E. Taggart, C. Jones, J. Nebelsick
For the past 20 y, the National Institute of Standards and Technology has provided three soil Standard Reference Materials certified for element content: SRM 2709 San Joaquin Soil (Baseline Trace Element Concentrations); SRM 2710 Montana Soil I (Highly

Determination of Elements in SRM Soil 2709a by Neutron Activation Analysis

December 1, 2009
Author(s)
Rick L. Paul, Elizabeth A. Mackey, Rolf L. Zeisler, Rabia Oflaz, Bryan E. Tomlin
A combination of instrumental neutron activation analysis (INAA) and prompt gamma-ray activation analysis (PGAA) was used to value assign 35 elements in SRM soil 2709a (San Joaquin Soil). INAA with counting of short-lived radioisotopes was used for

CHALLENGES AND SUCCESS FOR NEUTRON ACTIVATION ANALYSIS PROCEDURES IN VALUE ASSIGNMENT OF ANIMAL SERUM AND BOVINE LIVER STANDARD REFERENCE MATERIALS

June 12, 2009
Author(s)
Rolf L. Zeisler, Robert R. Greenberg, Elizabeth A. Mackey, Karen E. Murphy, Rabia Oflaz, Bryan E. Tomlin
Analyses for value assignment in the renewal SRMs 1598a Animal Serum and SRM 1577c Bovine Liver included extensive characterization by neutron ac-tivation analysis (NAA). For the determination of Al, V, Mn, and Cu the inter-fering reaction 31P(n,alpha)28Al

Fish-Related Standard Reference Materials

February 1, 2009
Author(s)
Michele M. Schantz, Steven J. Christopher, William C. Davis, Russell D. Day, Jennifer M. Lynch, John R. Kucklick, Stephen E. Long, Elizabeth A. Mackey, Barbara J. Porter, Dianne L. Poster, Katherine E. Sharpless, Gregory C. Turk, Stephen A. Wise
The National Institute of Standards and Technology (NIST) has developed four Standard Reference Materials (SRMs) related to the monitoring of contaminants in fish and marine mammals: SRM 1588b Organics in Cod Liver Oil, SRM 1945 Organics in Whale Blubber

Design of a New Instrument for Cold Neutron Prompt Gamma-Ray Activation Analysis at NIST

December 1, 2008
Author(s)
Rick L. Paul, Richard M. Lindstrom, Christoph W. Brocker, Elizabeth A. Mackey
A new instrument for cold neutron prompt gamma-ray activation analysis (CNPGAA) is being designed and constructed at the NIST Center for Neutron Research (NCNR). The new instrument is expected to have lower gamma-ray and neutron background and better

NAA Characterization of the New Bovine Liver SRM

October 16, 2008
Author(s)
Rolf L. Zeisler, W. D. James, Elizabeth A. Mackey, Rabia Oflaz, Robert R. Greenberg
The National Institute of Standards and Technology (NIST) is preparing a freeze-dried powdered bovine liver tissue Standard Reference Material (SRM) to replace SRM1577b Bovine Liver as the stock of this material was exhausted during 2006. Like the original

Neutron Irradiation in Activation Analysis: A New Rabbit for the NBSR

October 16, 2008
Author(s)
Richard M. Lindstrom, Rolf L. Zeisler, Elizabeth A. Mackey, P J. Liposky, Rachel S. Popelka-Filcoff, Robert E. Williams
Elementary activation analysis assumes that the reaction rate is proportional to the number of atoms of analyte present in the sample. On close examination, this is not always true, even within a set of samples irradiated together. For accurate analysis

National Marine Analytical Quality Assurance Program:Results and Description of the NIST/NOAA 2005 Interlaboratory Comparison Exercise for Trace Elements in Marine Mammals

January 24, 2007
Author(s)
Steven J. Christopher, Rebecca S. Pugh, Michael B. Ellisor, Elizabeth A. Mackey, Rabia Oflaz, Barbara J. Porter, Kathie J. Bealer, John R. Kucklick, Paul R. Becker, T K. Rowles
NIST helps benchmark and improve the quality of analytical data gathered on the marine environment by administering annual interlaboratory comparison exercises through several programs, including the National Marine AnalyticalQuality Assurance Program

Preparation and Characterization of a Suite of Ephedra-Containing Standard Reference Materials

November 1, 2006
Author(s)
Katherine E. Sharpless, David L. Anderson, Therese A. Butler, J. M. Betz, Douglas A. Howell, S. G. Capar, J. Cheng, C. Fraser, G. Gardner, T. Ihara, J. W. Lam, Stephen E. Long, Elizabeth A. Mackey, M. McCooeye, Karen E. Murphy, W. R. Mindak, S. Mitvalsky, Karen W. Phinney, Barbara J. Porter, A. NguyenPho, Lane C. Sander, M. C. Roman, Mary B. Satterfield, Jeanice M. Brown Thomas, C. Scriver, R. E. Sturgeon, Robert D. Vocke Jr., Stephen A. Wise, Laura J. Wood, James H. Yen, L. Yang, G. C. Ziobro

Preparation and Characterization of a Suite of Ephedra-Containing Standard Reference Materials

June 1, 2006
Author(s)
Katherine E. Sharpless, D L. Anderson, J. M. Betz, Therese A. Butler, S. G. Capar, J. Cheng, C. Fraser, M. L. Gay, G. Gardner, D W. Howell, T. Ihara, J. W. Lam, Stephen E. Long, M. McCooeye, Elizabeth A. Mackey, W. R. Mindak, S. Mitvalsky, Karen E. Murphy, Karen W. Phinney, A. NguyenPho, Barbara J. Porter, M. C. Roman, Lane C. Sander, Mary B. Satterfield, C. Scriver, R. E. Sturgeon, Jeanice M. Brown Thomas, Robert D. Vocke Jr., Stephen A. Wise, Laura J. Wood, L. Yang, James H. Yen, G. C. Ziobro

The National Marine Mammal Tissue Bank Specimen Inventory

June 1, 2006
Author(s)
Rebecca S. Pugh, Michael B. Ellisor, Amanda J. Moors, Paul R. Becker, Barbara J. Porter, Elizabeth A. Mackey, Michele M. Schantz, R. Demiralp, Stephen A. Wise
The National Institute of Standards and Technology (NIST) provides for the cryogenic banking of marine mammal tissues in the National Marine Mammal Tissue Bank (NMMTB). The purpose of the NMMTB is to maintain quality controlled marine mammal tissues to

CCQM-K31 Key Comparison: Arsenic in Shellfish

February 1, 2006
Author(s)
Robert R. Greenberg, Elizabeth A. Mackey
A Key Comparison (CCQM-K31) of the determination of arsenic in a marine shellfish (oyster tissue) was conducted under the auspices of the CCQM Inorganic Analysis Working Group as a follow-up to the CCQM-P11 Pilot Study. Arsenic was present at naturally