Papers by Douglas Dvoracek
Cha≥ upnik S, …, 2005
ABSTRACT. The US Federal Biobased Products Preferred Procurement Program (FB4P) requires all fede... more ABSTRACT. The US Federal Biobased Products Preferred Procurement Program (FB4P) requires all federal agencies to give preference to eligible biobased products as defined by the US Department of Agriculture. In the development of FB4P, Iowa State University has employed a number ...
Geochemical and Geochronological Study of the Danburg and Sandy Hill Granitoids and Associated Mafic Enclaves, Northeast Georgia
Lead Isotopes and XRF Analyses of Bronze Bell Fragments from the Spanish Colonization Era
Sulfur Isotope Ratios of Terrestrial and Coastal Fauna on the Southeastern Coast: A Step toward Resolving Equifinality in Human Paleodiet Reconstructions
Major, minor and trace element mass fractions determined using ED-XRF, WD-XRF and INAA for five certified clay reference materials: NCS DC 60102-60105; NCS DC 61101 (GBW 03101A, 03102A, 03103, and 03115)
Major, minor and trace element mass fractions were determined using wavelength dispersive and ene... more Major, minor and trace element mass fractions were determined using wavelength dispersive and energy dispersive X-ray fluorescence and instrumental neutron activation analysis for five clay certified reference materials (NCS DC 60102–60105, 61101) distributed by the National Research Center for Certified Reference Materials in China. We report mass fractions for 10 major and the following 29 minor and trace elements: As, Ba, Ce, Co, Cr, Cs, Cu, Eu, Hf, La, Lu, Nb, Nd, Ni, Pb, Rb, Sb, Sc, Sm, Sr, Ta, Tb, Th, U, V, Y, Yb, Zn, and Zr.
The 14C AMS system at The University of Georgia
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 2004
Major, minor and trace element mass fractions determined using ED-XRF, WD-XRF and INAA for five certified clay reference materials: NCS DC 60102-60105; NCS DC 61101 (GBW 03101A, 03102A, 03103, and 03115)
Major, minor and trace element mass fractions were determined using wavelength dispersive and ene... more Major, minor and trace element mass fractions were determined using wavelength dispersive and energy dispersive X-ray fluorescence and instrumental neutron activation analysis for five clay certified reference materials (NCS DC 60102–60105, 61101) distributed by the National Research Center for Certified Reference Materials in China. We report mass fractions for 10 major and the following 29 minor and trace elements: As, Ba, Ce, Co, Cr, Cs, Cu, Eu, Hf, La, Lu, Nb, Nd, Ni, Pb, Rb, Sb, Sc, Sm, Sr, Ta, Tb, Th, U, V, Y, Yb, Zn, and Zr.
Journal of Radioanalytical and Nuclear Chemistry
This paper is the third in a series of character- ization studies conducted by the Center for App... more This paper is the third in a series of character- ization studies conducted by the Center for Applied Isotope Studies, University of Georgia, and the Research Reactor Center, University of Missouri–Columbia, on clay and sed- iment reference materials. Major, minor and trace element mass fractions were determined using wavelength dispersive and energy dispersive X-ray fluorescence and instrumental neutron activation analysis for three synthetic mullite certi- fied reference materials (NCS HC 14807–14809) distributed by the China National Analysis Center for Iron And Steel and five geological stream sediment certified reference materials (GBW 07302, 07310–07312, 07405) distributed by the National Research Center for Certified Reference Materials in China. We report mass fractions for 10 major elements as oxides and the following minor and trace elements: As, Ba, Ce, Co, Cr, Cs, Cu, Eu, Hf, La, Lu, Nb, Nd, Ni, Pb, Rb, Sb, Sc, Sm, Sn, Sr, Ta, Tb, Th, U, V, Y, Yb, Zn, and Zr.
Rapid coastal survey of anthropogenic radionuclides, metals, and organic compounds in surficial marine sediments
The Science of the total environment, Jan 30, 1999
A towed survey system, the GIMS/CS3, has been developed to enable the rapid measurement and mappi... more A towed survey system, the GIMS/CS3, has been developed to enable the rapid measurement and mapping of a variety of physical and geochemical parameters in the surficial sediments of aquatic environments while the survey vessel is underway. With its capability for measuring radiometric, elemental and organic compound constituents of sediments, as well as bathymetry and water quality parameters, the GIMS/CS3 provides a cost-effective means of performing reconnaissance determinations of contaminant distributions and environmental monitoring tasks over broad geographic regions.
Rapid mapping of anthropogenic radionuclides, metals, and organic compounds in surficial marine sediments
IEEE Oceanic Engineering Society. OCEANS'98. Conference Proceedings (Cat. No.98CH36259), 1998
... John E. Noakesl, Scott E. Noakes', Douglas K. Dvoracek', Randy A. Culpl and Parshal... more ... John E. Noakesl, Scott E. Noakes', Douglas K. Dvoracek', Randy A. Culpl and Parshall B. Bush2 Center for Applied Isotope Studies, University of Georgia, USA 2Agricultural and Environmental Services Laboratories, Cooperative Extension Service, University of Georgia, USA 1 ...
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 2004
Journal of Radioanalytical and Nuclear Chemistry, Jun 2014
Major, minor and trace element mass fractions
were determined using wavelength dispersive and en... more Major, minor and trace element mass fractions
were determined using wavelength dispersive and energy
dispersive X-ray fluorescence and instrumental neutron
activation analysis for five clay certified reference materials
(NCS DC 60102–60105, 61101) distributed by the
National Research Center for Certified Reference Materials
in China. We report mass fractions for 10 major and the
following 29 minor and trace elements: As, Ba, Ce, Co, Cr,
Cs, Cu, Eu, Hf, La, Lu, Nb, Nd, Ni, Pb, Rb, Sb, Sc, Sm, Sr,
Ta, Tb, Th, U, V, Y, Yb, Zn, and Zr.
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Papers by Douglas Dvoracek
were determined using wavelength dispersive and energy
dispersive X-ray fluorescence and instrumental neutron
activation analysis for five clay certified reference materials
(NCS DC 60102–60105, 61101) distributed by the
National Research Center for Certified Reference Materials
in China. We report mass fractions for 10 major and the
following 29 minor and trace elements: As, Ba, Ce, Co, Cr,
Cs, Cu, Eu, Hf, La, Lu, Nb, Nd, Ni, Pb, Rb, Sb, Sc, Sm, Sr,
Ta, Tb, Th, U, V, Y, Yb, Zn, and Zr.
were determined using wavelength dispersive and energy
dispersive X-ray fluorescence and instrumental neutron
activation analysis for five clay certified reference materials
(NCS DC 60102–60105, 61101) distributed by the
National Research Center for Certified Reference Materials
in China. We report mass fractions for 10 major and the
following 29 minor and trace elements: As, Ba, Ce, Co, Cr,
Cs, Cu, Eu, Hf, La, Lu, Nb, Nd, Ni, Pb, Rb, Sb, Sc, Sm, Sr,
Ta, Tb, Th, U, V, Y, Yb, Zn, and Zr.