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Author: stephen long

Displaying records 21 to 30 of 31 records.
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21. Preparation and Characterization of a Suite of Ephedra-Containing Standard Reference Materials
Published: 6/1/2006
Authors: 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
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902818

22. Determination of Mercury Content in a Shallow Fern Core from Summit, Greenland by Isotope Dilution Inductively Coupled Plasma Mass Spectrometry
Published: 11/1/2005
Authors: Stephen E Long, Jacqueline L Mann, William R. Kelly, C. A. Shuman
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904490

23. An Accurate and Sensitive Method for the Determination of Methylmercury in Biological Specimens Using GC-ICPMS with Solid Phase Microexctraction
Published: 12/1/2004
Authors: William C Davis, Stacy S Vander-Pol, Michele M Schantz, Stephen E Long, Steven J Christopher
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902461

24. An Accurate and Sensitive Method for the Determination of Methylmercury in Biological Specimens Using GC-ICP-MS with Solid Phase Microextraction
Published: 11/1/2004
Authors: Michele M Schantz, William C Davis, Stacy S Vander-Pol, Stephen E Long, Russell D Day, Steven J Christopher
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904466

25. Certification of NIST Standard Reference Material 1575a Pine Needles and Results of an International Laboratory Comparison
Series: Journal of Research (NIST JRES)
Report Number: 260-156
Published: 6/1/2004
Authors: Elizabeth A Mackey, Donald A. Becker, Rabia D. Oflaz, Robert R. Greenberg, Richard Mark Lindstrom, Lee Lijian Yu, Laura J Wood, Stephen E Long, William R. Kelly, Jacqueline L Mann, Bruce S MacDonald, Stephen A. Wilson, Zoe A. Brown, Paul H. Briggs, James Budhan, Rick L Paul
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903454

26. Direct Determination of Mercury at Picomole/L Levels in Bottled Water by Isotope Dilution Cold-Vapor Generation Inductively Coupled Plasma Mass spectrometry
Published: 7/24/2003
Authors: Jacqueline L Mann, Stephen E Long, William R. Kelly
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903361

27. Determination of Mercury in SRM Crude Oils and Refined Products by Isotope Dilution Cold Vapor ICP-MS using Closed-System Combustion
Published: 7/1/2003
Authors: William R. Kelly, Stephen E Long, Jacqueline L Mann
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903333

28. Determination of Sodium in Blood Serum by Inductively Coupled Plasma Mass Spectrometry
Published: 11/1/2002
Authors: Stephen E Long, Thomas W Vetter
Abstract: Owing to its importance as a serum electrolyte, sodium is determined routinely in clinical laboratories. In the United States, the accuracy of these measurements is assessed through a number of proficiency testing programs. Clinical measurements ar ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=830331

29. Development of Isotope Dilution Cold Vapor Inductively Coupled Plasma Mass Spectrometry and Its Application to the Certification of Mercury in NIST Standard Reference Materials
Published: 4/1/2001
Authors: Steven J Christopher, Stephen E Long, M. S. Rearick, John D. Fassett
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904315

30. Definitive Method Certification of Clinical Analytes in Lyophilized Human Serum: NIST Standard Reference Material (SRM) 909b
Published: 5/1/1998
Authors: C. S. Phinney, Karen E Murphy, Michael James Welch, P M Ellerbe, Stephen E Long, Kenneth W Pratt, Lorna Tregoning Sniegoski, M. S. Rearick, Thomas W Vetter, Robert D Vocke Jr
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903689