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Publications

Search Publications by

Therese A. Butler (Assoc)

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Displaying 1 - 16 of 16

Improving the NIST High-Performance ICP-OES Methodology through Exact Matching

August 26, 2010
Author(s)
Michael R. Winchester, Therese A. Butler, Gregory C. Turk
High-Performance” (HP-)ICP-OES was developed at the National Institute of Standards and Technology (NIST) approximately a decade ago as a means of performing ICP OES analyses with relative expanded uncertainty on the order of 0.2 %, expressed at a level of

Certification of Beryllium Mass Fraction in SRM 1877 Beryllium Oxide Powder Using High-Performance Inductively-Coupled Plasma Optical Emission Spectrometry with Exact Matching

February 11, 2009
Author(s)
Michael R. Winchester, Gregory C. Turk, Therese A. Butler, Thomas J. Oatts, Charles Coleman, Donald Nadratowski, Ritu Sud, Mark D. Hoover, Aleksandr B. Stefaniak
High-Performance Inductively Coupled Plasma Optical Emission Spectrometry (HP-ICP-OES) was used to certify the Be mass fraction in National Institute of Standards and Technology (NIST) Standard Reference Material (SRM) 1877 Beryllium Oxide Powder. In order

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

Determination of Cyanide in Blood by Isotope Dilution Gas Chromatography-Mass Spectrometry

March 31, 2006
Author(s)
Karen E. Murphy, Michele M. Schantz, Therese A. Butler, Bruce A. Benner Jr, Laura J. Wood, Gregory C. Turk
A procedure based on isotope dilution gas chromatography/mass spectrometry (ID GC/MS) has been developed for the accurate and rapid determination of cyanide (CN) in whole blood. A known amount of isotopically labeled potassium cyanide (K13C15N) is added as

High-accuracy determination of epitaxial AlGaAs composition with inductively coupled plasma optical emission spectroscopy

March 1, 2006
Author(s)
Kristine A. Bertness, C. M. Wang, Marc L. Salit, Gregory C. Turk, Therese A. Butler, Albert J. Paul, Larry Robins
Inductively coupled plasma optical emission spectroscopy is shown to confirm a recent correlation between photoluminescence (PL) peak energy for AlGaAs epitaxial films and the Al mole fraction x of those films. These two methods also agree within their

Composition Verification of AlGaAs Epitaxial Layers using Inductively Coupled Plasma Optical-Emission Spectroscopy

September 28, 2003
Author(s)
Kristine A. Bertness, Todd E. Harvey, Albert J. Paul, Larry Robins, Gregory C. Turk, Therese A. Butler, Marc L. Salit
We have applied an analytical chemistry method, inductively coupled plasma optical-emission spectroscopy (ICP-OES), to increase the accuracy of composition measurement of AlGaAs epitaxial thin films. ICP-OES results were compared with composition