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You searched on: Author: steven christopher

Displaying records 21 to 30 of 35 records.
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21. National Marine Analytical Quality Assurance Program:Results and Description of the NIST/NOAA 2005 Interlaboratory Comparison Exercise for Trace Elements in Marine Mammals
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7361
Published: 1/24/2007
Authors: 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
Abstract: 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 Progra ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=832157

22. Development and Application of an Ultratrace Method for the Speciation of Organotin Compounds in Natural Cryogenic Homogenized Biological Materials
Published: 11/1/2006
Authors: Steven J Christopher, David Point, Michael B. Ellisor, Rebecca S Pugh, Olivier F. X. Donard, Paul R Becker, Barbara J. Porter, Stephen A Wise
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904405

23. Metal Complexes and Free Radical Toxicity Derived from Pfiesteria piscicida
Published: 11/1/2006
Authors: William C Davis, Peter D. Moeller, Kevin Beauchesne, Kevin Huncik, Steven J Christopher, Andrew Gelasco, Pamela Riggs-Gelasco
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904392

24. Murre Eggs (Uria aalge and U. lomvia) as Indicators of Mercury Contamination in the Alaskan Marine Environment
Published: 1/1/2006
Authors: Russell D Day, Stacy S Vander Pol, Steven J Christopher, William C Davis, Rebecca S Pugh, K. S. Simac, D. G. Roseneau, Paul R Becker
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904346

25. Simultaneous Mass Bias and Elemental Fractionation Corrections Utilizing Isotopic Solid Standards and Laser Ablation ICPMS
Published: 12/1/2005
Authors: W Clay Davis, Steven J Christopher, Gregory C Turk
Abstract: Homogeneous incorporation of analytes of known isotopic abundance into sol-gel derived standards that mimic important mineral systems has the potential to contribute significantly to providing solid standard benchmarks for a range of applications. T ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=832076

26. Improved Calibration Strategy for Measurement of Trace Elements in Biological and Clinical Whole Blood Reference Materials via Collision-Cell Inductively Coupled Plasma Mass Spectrometry
Published: 11/1/2005
Authors: Gregory C Turk, Steven J Christopher, Russell D Day, Colleen E Bryan
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904464

27. Monitoring Mercury in the Loggerhead Sea Turtle, Caretta caretta
Published: 11/1/2005
Authors: Russell D Day, Steven J Christopher, Paul R Becker, D W Whitaker
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904467

28. Simultaneous Mass Bias and Fractionation Corrections Utilizing Isotopic Solid Standards and Laser Ablation ICPMS
Published: 11/1/2005
Authors: William C Davis, Steven J Christopher, Gregory C Turk
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904465

29. Monitoring Mercury in the Loggerhead Sea Turtle, Caretta caretta
Published: 12/10/2004
Authors: Russell D Day, Steven J Christopher, Paul R Becker, D W Whitaker
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903497

30. 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



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