Search Results - "Brockman, J.D."

Fast and reliable method for As speciation in urine samples containing low levels of As by LC-ICP-MS: Focus on epidemiological studies by Carioni, V.M.O., McElroy, J.A., Guthrie, J.M., Ngwenyama, R.A., Brockman, J.D.

“…The speciation analysis of As in urine samples can provide important information for epidemiological studies. Considering that these studies involve hundreds…”
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Measurement of cesium diffusion coefficients in graphite IG-110 by Carter, L.M., Brockman, J.D., Loyalka, S.K., Robertson, J.D.

“…•A method was developed for real time analysis of fission product diffusion in graphite by ICP-MS.•The design simulates HTGR conditions.•Diffusion coefficients…”
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Prompt digestion and HPIC separation of rare earth elements in surrogate post-detonation debris material with detection by ICP-MS and gamma spectroscopy by Bradley, V.C., Brockman, J.D.

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Diffusion of cesium in oxidized and unoxidized IG-110 nuclear graphite by Weilert, T.M., Walton, K.L., Loyalka, S.K., Brockman, J.D.

“…•Pore sizes in oxidized and non-oxidized IG-110 structural graphite were measured.•IG-110 graphite was loaded with variable levels of Cs.•Time-release…”
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A multi-collector ICP-MS method for quantification of plutonium, uranium, and americium in hair and nails of occupationally or medically exposed individuals by Arbova, D L, Tolmachev, S Y, Brockman, J D

“…The Pu, U, and Am concentrations and Pu/ Pu, U/ U, and U/ U atom ratios were measured in the hair and nail samples using a new method utilized TEVA, UTEVA, and…”
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Innovative high-temperature ammonium bifluoride fusion and rapid analysis of elements with nuclear forensic value by Bradley, V.C., Weilert, T.M., Brockman, J.D.

“…High-temperature ammonium bifluoride (ABF) fusions were evaluated for potential use in rapid dissolution of post-detonation nuclear debris. The ABF fusion was…”
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Measurement of effective Sr diffusion coefficients in IG-110 graphite by Weilert, T.M., Walton, K.L., Loyalka, S.K., Brockman, J.D.

“…•IG-110 graphite was loaded with Sr.•Time-release experiments examined Sr migration in graphite.•Experimental design simulates HTGR conditions: High…”
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Effective diffusivity of Ag and migration of Pd in IG-110 graphite by Weilert, T.M., Walton, K.L., Loyalka, S.K., Brockman, J.D.

“…•IG-110 graphite was loaded with Ag, Ag+Pd, and Pd.•Time-release experiments examined silver and palladium migration in graphite.•Experimental design simulates…”
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Europium diffusion in IG-110 nuclear graphite by Weilert, T.M., Walton, K.L., Loyalka, S.K., Brockman, J.D.

“…Europium diffusion in graphite has been recognized to be of interest in high-temperature gas reactor safety analysis, particularly as an indicator of strontium…”
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ICP-MS measurement of silver diffusion coefficient in graphite IG-110 between 1048K and 1284K by Carter, L.M., Seelig, J.D., Brockman, J.D., Robertson, J.D., Loyalka, S.K.

“…Silver-110m has been shown to permeate intact silicon carbide and pyrolytic carbon coating layers of the TRISO fuel particles during normal High Temperature…”
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Diffusion of cesium and iodine in compressed IG-110 graphite compacts by Carter, L.M., Brockman, J.D., Robertson, J.D., Loyalka, S.K.

“…Nuclear graphite grade IG-110 is currently used in the High Temperature Engineering Test Reactor (HTTR) in Japan for certain permanent and replaceable core…”
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ICP-MS measurement of iodine diffusion in IG-110 graphite for HTGR/VHTR by Carter, L.M., Brockman, J.D., Robertson, J.D., Loyalka, S.K.

“…Graphite functions as a structural material and as a barrier to fission product release in HTGR/VHTR designs, and elucidation of transport parameters for…”
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ICP-MS measurement of diffusion coefficients of Cs in NBG-18 graphite by Carter, L.M., Brockman, J.D., Robertson, J.D., Loyalka, S.K.

“…Graphite is used in the HGTR/VHTR as moderator and it also functions as a barrier to fission product release. Therefore, an elucidation of transport of fission…”
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Measurement of U and Pu isotope ratios in hair and nail samples using extraction chromatography and multi-collector inductively coupled plasma mass spectrometry by Brown, J.N.W., Robertson, J.D., Brockman, J.D.

“…A bioassay capable of monitoring occupational or environmental exposure to special nuclear materials would be a useful tool for nuclear nonproliferation…”
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A new approach to single-comparator instrumental neutron activation analysis by Peters, N. J., Brockman, J. D., Robertson, J. D.

“…A new parametric approach to single-comparator instrumental neutron activation analysis (INAA) at the University of Missouri Research Reactor (MURR) was…”
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Analysis of k 0 neutron activation analysis at the University of Missouri Research Reactor by Brockman, J.D., Robertson, J.D.

“…k 0 Instrumental Neutron Activation Analysis ( k 0 INAA) was evaluated at the University of Missouri Research Reactor (MURR). The MURR, unlike many other…”
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Analysis of k0 neutron activation analysis at the University of Missouri Research Reactor by Brockman, J D, Robertson, J D

“…k(0) Instrumental Neutron Activation Analysis (k(0) INAA) was evaluated at the University of Missouri Research Reactor (MURR). The MURR, unlike many other…”
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