skip to main content
DOE PAGES title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Surprising formation of quasi-stable Tc( vi ) in high ionic strength alkaline media

Abstract

This work demonstrates an aqueous Tc( vi ) lifetime 6 orders of magnitude greater than previously suggested.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [3]; ORCiD logo [1]
  1. Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, USA
  2. Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, USA
  3. Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, USA
Publication Date:
Sponsoring Org.:
USDOE
OSTI Identifier:
1438947
Grant/Contract Number:  
AC05-76RL01830
Resource Type:
Publisher's Accepted Manuscript
Journal Name:
Inorganic Chemistry Frontiers
Additional Journal Information:
Journal Name: Inorganic Chemistry Frontiers Journal Volume: 5 Journal Issue: 9; Journal ID: ISSN 2052-1553
Publisher:
Royal Society of Chemistry (RSC)
Country of Publication:
United Kingdom
Language:
English

Citation Formats

Chatterjee, Sayandev, Hall, Gabriel B., Johnson, Isaac E., Du, Yingge, Walter, Eric D., Washton, Nancy M., and Levitskaia, Tatiana G. Surprising formation of quasi-stable Tc( vi ) in high ionic strength alkaline media. United Kingdom: N. p., 2018. Web. https://doi.org/10.1039/C8QI00219C.
Chatterjee, Sayandev, Hall, Gabriel B., Johnson, Isaac E., Du, Yingge, Walter, Eric D., Washton, Nancy M., & Levitskaia, Tatiana G. Surprising formation of quasi-stable Tc( vi ) in high ionic strength alkaline media. United Kingdom. https://doi.org/10.1039/C8QI00219C
Chatterjee, Sayandev, Hall, Gabriel B., Johnson, Isaac E., Du, Yingge, Walter, Eric D., Washton, Nancy M., and Levitskaia, Tatiana G. Mon . "Surprising formation of quasi-stable Tc( vi ) in high ionic strength alkaline media". United Kingdom. https://doi.org/10.1039/C8QI00219C.
@article{osti_1438947,
title = {Surprising formation of quasi-stable Tc( vi ) in high ionic strength alkaline media},
author = {Chatterjee, Sayandev and Hall, Gabriel B. and Johnson, Isaac E. and Du, Yingge and Walter, Eric D. and Washton, Nancy M. and Levitskaia, Tatiana G.},
abstractNote = {This work demonstrates an aqueous Tc( vi ) lifetime 6 orders of magnitude greater than previously suggested.},
doi = {10.1039/C8QI00219C},
journal = {Inorganic Chemistry Frontiers},
number = 9,
volume = 5,
place = {United Kingdom},
year = {2018},
month = {1}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1039/C8QI00219C

Citation Metrics:
Cited by: 2 works
Citation information provided by
Web of Science

Save / Share:

Works referenced in this record:

New Fluorine Compounds of Technetium
journal, November 1963

  • Edwards, A. J.; Hugill, D.; Peacock, R. D.
  • Nature, Vol. 200, Issue 4907
  • DOI: 10.1038/200672a0

Technetium Chlorides
journal, March 1962


Tetroxo anions of hexavalent technetium and rhenium
journal, September 1975

  • Astheimer, L.; Hauck, J.; Schenk, H. J.
  • The Journal of Chemical Physics, Vol. 63, Issue 5
  • DOI: 10.1063/1.431534

Redox interactions of technetium with iron-bearing minerals
journal, August 2011


Structural determination of <Superscript>99</Superscript>Tc radiopharmaceuticals and compounds using X-ray absorption spectroscopy
journal, January 2005

  • Terry, J.; Grzenia, B.; Papagiannopoulou, D.
  • Journal of Radioanalytical and Nuclear Chemistry, Vol. 263, Issue 2
  • DOI: 10.1007/s10967-005-0088-z

Current Status of the Thermodynamic Data for Technetium and Its Compounds and Aqueous Species
journal, January 2005


ESR studies on trigonal-prismatic technetium and rhenium complexes. Tris(o-aminobenzenethiolato)-Tc(VI) and -Re(VI)
journal, January 1980


Voltammetric behaviour of aqueous technetate(VII) ion
journal, January 1974


EPR on Technetium Complexes – A Review
journal, January 1990

  • Kirmse, R.; Abram, U.
  • Isotopenpraxis Isotopes in Environmental and Health Studies, Vol. 26, Issue 4
  • DOI: 10.1080/10256019008624263

The Chemistry of Technetium-Water Complexes within the Manganese Triad: Challenges and Perspectives
journal, January 2009


Noninnocence in Metal Complexes: A Dithiolene Dawn
journal, October 2011

  • Eisenberg, Richard; Gray, Harry B.
  • Inorganic Chemistry, Vol. 50, Issue 20
  • DOI: 10.1021/ic2011748

The biogeochemistry of technetium: A review of the behavior of an artificial element in the natural environment
journal, October 2010

  • Icenhower, J. P.; Qafoku, N. P.; Zachara, J. M.
  • American Journal of Science, Vol. 310, Issue 8
  • DOI: 10.2475/08.2010.02

EPR studies of technetium complexes in frozen solution
journal, November 1996

  • Baldas, J.; Boas, J. F.; Williams, G. A.
  • Applied Magnetic Resonance, Vol. 11, Issue 3-4
  • DOI: 10.1007/BF03162245

The preparation and properties of TcF6
journal, October 1961

  • Selig, Henry; Chernick, Cedric L.; Malm, John G.
  • Journal of Inorganic and Nuclear Chemistry, Vol. 19, Issue 3-4
  • DOI: 10.1016/0022-1902(61)80132-2

[TcNBr4−pClp]− (p = 1–3) nitridotechnetate(VI) mixed-ligand complexes. An EPR study
journal, July 1986


Electron transfer reactions and the nature of the solvent effect on tris-toluene-3,4-dithiolates of rhenium, tungsten, molybdenum and technetium
journal, January 1976

  • Kawashima, Munetsugu; Koyama, Mutsuo; Fujinaga, Taitiro
  • Journal of Inorganic and Nuclear Chemistry, Vol. 38, Issue 4
  • DOI: 10.1016/0022-1902(76)80360-0

Reactions of technetium hexafluoride with nitric oxide, nitrosyl fluoride and nitryl fluoride
journal, February 1968


Technetium Chemistry in the Fuel Cycle: Combining Basic and Applied Studies
journal, June 2012

  • Poineau, Frederic; Mausolf, Edward; Jarvinen, Gordon D.
  • Inorganic Chemistry, Vol. 52, Issue 7
  • DOI: 10.1021/ic3016468

The vapour-pressure and transition points of TcF6
journal, November 1962


Formation of nitridotechnetium (VI) μ-oxo dimer complexes with EDTA and EDDA
journal, February 1995

  • Takayama, T.; Kani, Y.; Sekine, T.
  • Journal of Radioanalytical and Nuclear Chemistry Letters, Vol. 199, Issue 3
  • DOI: 10.1007/BF02162370

Long-Term Immobilization of Technetium via Bioremediation with Slow-Release Substrates
journal, January 2017

  • Newsome, Laura; Cleary, Adrian; Morris, Katherine
  • Environmental Science & Technology, Vol. 51, Issue 3
  • DOI: 10.1021/acs.est.6b04876

Production, detection, and characterization of transient hexavalent technetium in aqueous alkaline media by pulse radiolysis and very fast scan cyclic voltammetry
journal, January 1978

  • Deutsch, Edward; Heineman, William R.; Hurst, Roger
  • Journal of the Chemical Society, Chemical Communications, Issue 23
  • DOI: 10.1039/c39780001038

EPR Spectroscopy on Technetium Compounds
journal, January 1993


Technetium in Nuclear Medicine
journal, January 1995


Thin-Layer Spectroelectrochemistry on an Aqueous Microdrop
journal, March 2012

  • Schroll, Cynthia A.; Chatterjee, Sayandev; Heineman, William R.
  • Electroanalysis, Vol. 24, Issue 5
  • DOI: 10.1002/elan.201100711

Pulse radiolysis studies on pertechnetate and perrhenate in aqueous media. Decay of the technetium(VI) transient
journal, January 1989

  • Libson, Karen; Sullivan, James C.; Mulac, William A.
  • Inorganic Chemistry, Vol. 28, Issue 2
  • DOI: 10.1021/ic00301a045

The pentachlorooxotechnetate(VI) anion [TcOCl5]-: an EPR study
journal, July 1985

  • Kirmse, R.; Stach, J.; Abram, U.
  • Inorganic Chemistry, Vol. 24, Issue 14
  • DOI: 10.1021/ic00208a017

Sources and behavior of technetium in the environment
journal, June 1987


Synthesis and characterization of new nitridotechnetium-EDTA complex
journal, October 1993

  • Takayama, T.; Sekine, T.; Yoshihara, K.
  • Journal of Radioanalytical and Nuclear Chemistry Letters, Vol. 176, Issue 4
  • DOI: 10.1007/BF02163497

Heat capacity, entropy, and Gibbs energy of technetium hexafluoride between 2.23 and 350 K; magnetic anomaly at 3.12 K; mean β energy of 99 Tc
journal, February 1978

  • Osborne, Darrell W.; Schreiner, Felix; Otto, Klaus
  • The Journal of Chemical Physics, Vol. 68, Issue 3
  • DOI: 10.1063/1.435789

[環境におけるテクネチウム]<span class="fa fa-external-link" aria-hidden="true"></span></a> <small class="text-muted" style="text-transform:uppercase; font-size:0.75rem;"><br/> <span class="type">journal</span>, <span class="date" data-date="2006-01-01">January 2006</span></small> </h2> <ul class="small references-list" style="list-style-type:none; margin-top: 0.5em; padding-left: 0; line-height:1.8em;"> <li> <span style="color:#5C7B2D;"> Ishii, Toshiaki; Sakuragi, Tomofumi</span> </li> <li> RADIOISOTOPES, Vol. 55, Issue 8</li> <li> <span class="text-muted related-url">DOI: <a href="https://doi.org/10.3769/radioisotopes.55.485" class="text-muted" target="_blank" rel="noopener noreferrer">10.3769/radioisotopes.55.485<span class="fa fa-external-link" aria-hidden="true"></span></a></span> </li> </ul> <hr/> </div> <div> <h2 class="title" style="margin-bottom:0;" data-apporder=""> <a href="https://doi.org/10.1021/j100843a050" target="_blank" rel="noopener noreferrer" class="name">Disproportionation of the technetate ion in aqueous alkaline media. An electrochemical study<span class="fa fa-external-link" aria-hidden="true"></span></a> <small class="text-muted" style="text-transform:uppercase; font-size:0.75rem;"><br/> <span class="type">journal</span>, <span class="date" data-date="1969-09-01">September 1969</span></small> </h2> <ul class="small references-list" style="list-style-type:none; margin-top: 0.5em; padding-left: 0; line-height:1.8em;"> <li> <span style="color:#5C7B2D;"> Kissel, George; Feldberg, Stephen W.</span> </li> <li> The Journal of Physical Chemistry, Vol. 73, Issue 9</li> <li> <span class="text-muted related-url">DOI: <a href="https://doi.org/10.1021/j100843a050" class="text-muted" target="_blank" rel="noopener noreferrer">10.1021/j100843a050<span class="fa fa-external-link" aria-hidden="true"></span></a></span> </li> </ul> <hr/> </div> <div> <h2 class="title" style="margin-bottom:0;" data-apporder=""> <a href="https://doi.org/10.1080/10256017508543830" target="_blank" rel="noopener noreferrer" class="name">Stand und Entwicklungstendenzen auf dem Gebiet der Radiochemie und Chemischen Kerntechnik Chemie Radioaktiver Elemente<span class="fa fa-external-link" aria-hidden="true"></span></a> <small class="text-muted" style="text-transform:uppercase; font-size:0.75rem;"><br/> <span class="type">journal</span>, <span class="date" data-date="1975-01-01">January 1975</span></small> </h2> <ul class="small references-list" style="list-style-type:none; margin-top: 0.5em; padding-left: 0; line-height:1.8em;"> <li> <span style="color:#5C7B2D;"> Jovtschev, M.; Koch, H.; Kupsch, H.</span> </li> <li> Isotopenpraxis Isotopes in Environmental and Health Studies, Vol. 11, Issue 11</li> <li> <span class="text-muted related-url">DOI: <a href="https://doi.org/10.1080/10256017508543830" class="text-muted" target="_blank" rel="noopener noreferrer">10.1080/10256017508543830<span class="fa fa-external-link" aria-hidden="true"></span></a></span> </li> </ul> <hr/> </div> <div> <h2 class="title" style="margin-bottom:0;" data-apporder=""> <a href="https://doi.org/10.1021/ic00260a035" target="_blank" rel="noopener noreferrer" class="name">Synthesis and structure of an amino sugar Schiff base complex of technetium(V) containing salicylaldehyde in an unusual coordination mode<span class="fa fa-external-link" aria-hidden="true"></span></a> <small class="text-muted" style="text-transform:uppercase; font-size:0.75rem;"><br/> <span class="type">journal</span>, <span class="date" data-date="1987-07-01">July 1987</span></small> </h2> <ul class="small references-list" style="list-style-type:none; margin-top: 0.5em; padding-left: 0; line-height:1.8em;"> <li> <span style="color:#5C7B2D;"> Duatti, Adriano; Marchi, Andrea; Magon, Luciano</span> </li> <li> Inorganic Chemistry, Vol. 26, Issue 13</li> <li> <span class="text-muted related-url">DOI: <a href="https://doi.org/10.1021/ic00260a035" class="text-muted" target="_blank" rel="noopener noreferrer">10.1021/ic00260a035<span class="fa fa-external-link" aria-hidden="true"></span></a></span> </li> </ul> <hr/> </div> <div> <h2 class="title" style="margin-bottom:0;" data-apporder=""> <a href="https://doi.org/10.1016/0022-0728(87)85042-8" target="_blank" rel="noopener noreferrer" class="name">Mechanism and kinetics of the stepwise voltammetric reduction of pertechnetate in alkaline solution to Tc(VI, Tc(V) and Tc(IV)<span class="fa fa-external-link" aria-hidden="true"></span></a> <small class="text-muted" style="text-transform:uppercase; font-size:0.75rem;"><br/> <span class="type">journal</span>, <span class="date" data-date="1987-03-01">March 1987</span></small> </h2> <ul class="small references-list" style="list-style-type:none; margin-top: 0.5em; padding-left: 0; line-height:1.8em;"> <li> <span style="color:#5C7B2D;"> Founta, A.; Aikens, D. A.; Clark, H. M.</span> </li> <li> Journal of Electroanalytical Chemistry and Interfacial Electrochemistry, Vol. 219, Issue 1-2</li> <li> <span class="text-muted related-url">DOI: <a href="https://doi.org/10.1016/0022-0728(87)85042-8" class="text-muted" target="_blank" rel="noopener noreferrer">10.1016/0022-0728(87)85042-8<span class="fa fa-external-link" aria-hidden="true"></span></a></span> </li> </ul> <hr/> </div> <div> <h2 class="title" style="margin-bottom:0;" data-apporder=""> <a href="https://doi.org/10.1016/0022-1902(76)80234-5" target="_blank" rel="noopener noreferrer" class="name">Electrochemical reduction of MnO4−, TcO4− and ReO4− in organic solvents<span class="fa fa-external-link" aria-hidden="true"></span></a> <small class="text-muted" style="text-transform:uppercase; font-size:0.75rem;"><br/> <span class="type">journal</span>, <span class="date" data-date="1976-01-01">January 1976</span></small> </h2> <ul class="small references-list" style="list-style-type:none; margin-top: 0.5em; padding-left: 0; line-height:1.8em;"> <li> <span style="color:#5C7B2D;"> Astheimer, L.; Schwochau, K.</span> </li> <li> Journal of Inorganic and Nuclear Chemistry, Vol. 38, Issue 6</li> <li> <span class="text-muted related-url">DOI: <a href="https://doi.org/10.1016/0022-1902(76)80234-5" class="text-muted" target="_blank" rel="noopener noreferrer">10.1016/0022-1902(76)80234-5<span class="fa fa-external-link" aria-hidden="true"></span></a></span> </li> </ul> <hr/> </div> <div> <h2 class="title" style="margin-bottom:0;" data-apporder=""> <a href="https://doi.org/10.1002/anie.197403461" target="_blank" rel="noopener noreferrer" class="name">Preparation and Properties of Tetraoxotechnetate (VI) and Tetraoxorhenate (VI)<span class="fa fa-external-link" aria-hidden="true"></span></a> <small class="text-muted" style="text-transform:uppercase; font-size:0.75rem;"><br/> <span class="type">journal</span>, <span class="date" data-date="1974-05-01">May 1974</span></small> </h2> <ul class="small references-list" style="list-style-type:none; margin-top: 0.5em; padding-left: 0; line-height:1.8em;"> <li> <span style="color:#5C7B2D;"> Schwochau, Klaus; Astheimer, Ludwig; Hauck, J�rgen</span> </li> <li> Angewandte Chemie International Edition in English, Vol. 13, Issue 5</li> <li> <span class="text-muted related-url">DOI: <a href="https://doi.org/10.1002/anie.197403461" class="text-muted" target="_blank" rel="noopener noreferrer">10.1002/anie.197403461<span class="fa fa-external-link" aria-hidden="true"></span></a></span> </li> </ul> <hr/> </div> <div> <h2 class="title" style="margin-bottom:0;" data-apporder=""> <a href="https://doi.org/10.1071/CH9681981" target="_blank" rel="noopener noreferrer" class="name">Halides and oxide halides of technetium. I. Technetium(V) oxide halides and the reaction of thionyl chloride with ammonium pertechnetate<span class="fa fa-external-link" aria-hidden="true"></span></a> <small class="text-muted" style="text-transform:uppercase; font-size:0.75rem;"><br/> <span class="type">journal</span>, <span class="date" data-date="1968-01-01">January 1968</span></small> </h2> <ul class="small references-list" style="list-style-type:none; margin-top: 0.5em; padding-left: 0; line-height:1.8em;"> <li> <span style="color:#5C7B2D;"> Colton, R.; Tomkins, Ib</span> </li> <li> Australian Journal of Chemistry, Vol. 21, Issue 8</li> <li> <span class="text-muted related-url">DOI: <a href="https://doi.org/10.1071/CH9681981" class="text-muted" target="_blank" rel="noopener noreferrer">10.1071/CH9681981<span class="fa fa-external-link" aria-hidden="true"></span></a></span> </li> </ul> <hr/> </div> <div> <h2 class="title" style="margin-bottom:0;" data-apporder=""> <a href="https://doi.org/10.1021/ac00127a041" target="_blank" rel="noopener noreferrer" class="name">X-ray photoelectron spectroscopy of potential technetium-based organ imaging agents<span class="fa fa-external-link" aria-hidden="true"></span></a> <small class="text-muted" style="text-transform:uppercase; font-size:0.75rem;"><br/> <span class="type">journal</span>, <span class="date" data-date="1986-12-01">December 1986</span></small> </h2> <ul class="small references-list" style="list-style-type:none; margin-top: 0.5em; padding-left: 0; line-height:1.8em;"> <li> <span style="color:#5C7B2D;"> Thompson, Michael.; Nunn, Adrian D.; Treher, Elizabeth N.</span> </li> <li> Analytical Chemistry, Vol. 58, Issue 14</li> <li> <span class="text-muted related-url">DOI: <a href="https://doi.org/10.1021/ac00127a041" class="text-muted" target="_blank" rel="noopener noreferrer">10.1021/ac00127a041<span class="fa fa-external-link" aria-hidden="true"></span></a></span> </li> </ul> <hr/> </div> <div> <h2 class="title" style="margin-bottom:0;" data-apporder=""> <a href="https://doi.org/10.1016/S0020-1693(00)89253-1" target="_blank" rel="noopener noreferrer" class="name">Synthesis, characterization and reactions of [Tc(NS)X4]− complexes (XCl, Br, NCS)<span class="fa fa-external-link" aria-hidden="true"></span></a> <small class="text-muted" style="text-transform:uppercase; font-size:0.75rem;"><br/> <span class="type">journal</span>, <span class="date" data-date="1993-04-01">April 1993</span></small> </h2> <ul class="small references-list" style="list-style-type:none; margin-top: 0.5em; padding-left: 0; line-height:1.8em;"> <li> <span style="color:#5C7B2D;"> Abram, Ulrich; Hübener, Rainer; Wollert, René</span> </li> <li> Inorganica Chimica Acta, Vol. 206, Issue 1</li> <li> <span class="text-muted related-url">DOI: <a href="https://doi.org/10.1016/S0020-1693(00)89253-1" class="text-muted" target="_blank" rel="noopener noreferrer">10.1016/S0020-1693(00)89253-1<span class="fa fa-external-link" aria-hidden="true"></span></a></span> </li> </ul> <hr/> </div> <div> <h2 class="title" style="margin-bottom:0;" data-apporder=""> <a href="https://doi.org/10.1016/j.apgeochem.2013.11.005" target="_blank" rel="noopener noreferrer" class="name">The interactions of strontium and technetium with Fe(II) bearing biominerals: Implications for bioremediation of radioactively contaminated land<span class="fa fa-external-link" aria-hidden="true"></span></a> <small class="text-muted" style="text-transform:uppercase; font-size:0.75rem;"><br/> <span class="type">journal</span>, <span class="date" data-date="2014-01-01">January 2014</span></small> </h2> <ul class="small references-list" style="list-style-type:none; margin-top: 0.5em; padding-left: 0; line-height:1.8em;"> <li> <span style="color:#5C7B2D;"> Thorpe, Clare L.; Boothman, Christopher; Lloyd, Jonathan R.</span> </li> <li> Applied Geochemistry, Vol. 40</li> <li> <span class="text-muted related-url">DOI: <a href="https://doi.org/10.1016/j.apgeochem.2013.11.005" class="text-muted" target="_blank" rel="noopener noreferrer">10.1016/j.apgeochem.2013.11.005<span class="fa fa-external-link" aria-hidden="true"></span></a></span> </li> </ul> <hr/> </div> <div> <h2 class="title" style="margin-bottom:0;" data-apporder=""> <a href="https://doi.org/10.1021/acs.est.7b02426" target="_blank" rel="noopener noreferrer" class="name">Impacts of Repeated Redox Cycling on Technetium Mobility in the Environment<span class="fa fa-external-link" aria-hidden="true"></span></a> <small class="text-muted" style="text-transform:uppercase; font-size:0.75rem;"><br/> <span class="type">journal</span>, <span class="date" data-date="2017-12-01">December 2017</span></small> </h2> <ul class="small references-list" style="list-style-type:none; margin-top: 0.5em; padding-left: 0; line-height:1.8em;"> <li> <span style="color:#5C7B2D;"> Masters-Waage, Nicholas K.; Morris, Katherine; Lloyd, Jonathan R.</span> </li> <li> Environmental Science & Technology, Vol. 51, Issue 24</li> <li> <span class="text-muted related-url">DOI: <a href="https://doi.org/10.1021/acs.est.7b02426" class="text-muted" target="_blank" rel="noopener noreferrer">10.1021/acs.est.7b02426<span class="fa fa-external-link" aria-hidden="true"></span></a></span> </li> </ul> <hr/> </div> <div> <h2 class="title" style="margin-bottom:0;" data-apporder=""> <a href="https://doi.org/10.2134/jeq1979.00472425000800020004x" target="_blank" rel="noopener noreferrer" class="name">Technetium Sources and Behavior in the Environment1<span class="fa fa-external-link" aria-hidden="true"></span></a> <small class="text-muted" style="text-transform:uppercase; font-size:0.75rem;"><br/> <span class="type">journal</span>, <span class="date" data-date="1979-01-01">January 1979</span></small> </h2> <ul class="small references-list" style="list-style-type:none; margin-top: 0.5em; padding-left: 0; line-height:1.8em;"> <li> <span style="color:#5C7B2D;"> Wildung, R. E.; McFadden, K. M.; Garland, T. R.</span> </li> <li> Journal of Environment Quality, Vol. 8, Issue 2</li> <li> <span class="text-muted related-url">DOI: <a href="https://doi.org/10.2134/jeq1979.00472425000800020004x" class="text-muted" target="_blank" rel="noopener noreferrer">10.2134/jeq1979.00472425000800020004x<span class="fa fa-external-link" aria-hidden="true"></span></a></span> </li> </ul> <hr/> </div> <div> <h2 class="title" style="margin-bottom:0;" data-apporder=""> <a href="https://doi.org/10.1039/DT9880001725" target="_blank" rel="noopener noreferrer" class="name">Preparation and crystal structures of [AsPh <sub>4</sub> ] <sub>4</sub> [Tc <sub>4</sub> N <sub>4</sub> O <sub>2</sub> (ox) <sub>6</sub> ] and [AsPh <sub>4</sub> ] <sub>2</sub> [TcO(ox) <sub>2</sub> (Hox)]·3H <sub>2</sub> O: technetium complexes containing quadridentate or unidentate oxalato ligands<span class="fa fa-external-link" aria-hidden="true"></span></a> <small class="text-muted" style="text-transform:uppercase; font-size:0.75rem;"><br/> <span class="type">journal</span>, <span class="date" data-date="1988-01-01">January 1988</span></small> </h2> <ul class="small references-list" style="list-style-type:none; margin-top: 0.5em; padding-left: 0; line-height:1.8em;"> <li> <span style="color:#5C7B2D;"> Baldas, John; Colmanet, Silvano F.; Mackay, Maureen F.</span> </li> <li> J. Chem. Soc., Dalton Trans., Issue 7</li> <li> <span class="text-muted related-url">DOI: <a href="https://doi.org/10.1039/DT9880001725" class="text-muted" target="_blank" rel="noopener noreferrer">10.1039/DT9880001725<span class="fa fa-external-link" aria-hidden="true"></span></a></span> </li> </ul> <hr/> </div> <div> <h2 class="title" style="margin-bottom:0;" data-apporder=""> <a href="https://doi.org/10.1039/dt9840002395" target="_blank" rel="noopener noreferrer" class="name">Studies of technetium complexes. Part 6. The preparation, characterisation, and electron spin resonance spectra of salts of tetrachloro- and tetrabromo-nitridotechnetate(VI): crystal structure of tetraphenylarsonium tetrachloronitridotechnetate(VI)<span class="fa fa-external-link" aria-hidden="true"></span></a> <small class="text-muted" style="text-transform:uppercase; font-size:0.75rem;"><br/> <span class="type">journal</span>, <span class="date" data-date="1984-01-01">January 1984</span></small> </h2> <ul class="small references-list" style="list-style-type:none; margin-top: 0.5em; padding-left: 0; line-height:1.8em;"> <li> <span style="color:#5C7B2D;"> Baldas, John; Boas, John F.; Bonnyman, John</span> </li> <li> Journal of the Chemical Society, Dalton Transactions, Issue 11</li> <li> <span class="text-muted related-url">DOI: <a href="https://doi.org/10.1039/dt9840002395" class="text-muted" target="_blank" rel="noopener noreferrer">10.1039/dt9840002395<span class="fa fa-external-link" aria-hidden="true"></span></a></span> </li> </ul> <hr/> </div> <div> <h2 class="title" style="margin-bottom:0;" data-apporder=""> <a href="https://doi.org/10.1016/0020-708X(82)90132-6" target="_blank" rel="noopener noreferrer" class="name">Electrochemistry of technetium<span class="fa fa-external-link" aria-hidden="true"></span></a> <small class="text-muted" style="text-transform:uppercase; font-size:0.75rem;"><br/> <span class="type">journal</span>, <span class="date" data-date="1982-10-01">October 1982</span></small> </h2> <ul class="small references-list" style="list-style-type:none; margin-top: 0.5em; padding-left: 0; line-height:1.8em;"> <li> <span style="color:#5C7B2D;"> Russell, Charles D.</span> </li> <li> The International Journal of Applied Radiation and Isotopes, Vol. 33, Issue 10</li> <li> <span class="text-muted related-url">DOI: <a href="https://doi.org/10.1016/0020-708X(82)90132-6" class="text-muted" target="_blank" rel="noopener noreferrer">10.1016/0020-708X(82)90132-6<span class="fa fa-external-link" aria-hidden="true"></span></a></span> </li> </ul> <hr/> </div> </div> <div class="pagination-container small"> <a class="pure-button prev page" href="#" rel="prev"><span class="fa fa-angle-left"></span></a><ul class="pagination d-inline-block" style="padding-left:.2em;"></ul><a class="pure-button next page" href="#" rel="next"><span class="fa fa-angle-right"></span></a> </div> </div> </div> <div class="col-sm-3 order-sm-3"> <ul class="nav nav-stacked"> <li class="active"><a href="" class="reference-type-filter tab-nav" data-tab="biblio-references" data-filter="type" data-pattern="*"><span class="fa fa-angle-right"></span> All References</a></li> <li class="small" style="margin-left:.75em; text-transform:capitalize;"><a href="" class="reference-type-filter tab-nav" data-tab="biblio-references" data-filter="type" data-pattern="journal"><span class="fa fa-angle-right"></span> journal<small class="text-muted"> (52)</small></a></li> </ul> <div style="margin-top:2em;"> <form class="pure-form small text-muted reference-search"> <label for="reference-search-text" class="sr-only">Search</label> <input class="search form-control pure-input-1" id="reference-search-text" placeholder="Search" style="margin-bottom:10px;" /> <fieldset> <div style="margin-left:1em; font-weight:normal; line-height: 1.6em;"><input type="radio" class="sort" name="references-sort" data-sort="name" style="position:relative;top:2px;" id="reference-search-sort-name"><label for="reference-search-sort-name" style="margin-left: .3em;">Sort by title</label></div> <div style="margin-left:1em; font-weight:normal; line-height: 1.6em;"><input type="radio" class="sort" name="references-sort" data-sort="date" data-order="desc" style="position:relative;top:2px;" id="reference-search-sort-date"><label for="reference-search-sort-date" style="margin-left: .3em;">Sort by date</label></div> </fieldset> <div class="text-left" style="margin-left:1em;"> <a href="" class="filter-clear clearfix" title="Clear filter / sort" style="font-weight:normal; float:none;">[ × clear filter / sort ]</a> </div> </form> </div> </div> </div> </section> <section id="biblio-related" class="tab-content tab-content-sec " data-tab="biblio"> <div class="row"> <div class="col-sm-9 order-sm-9"> <section id="biblio-similar" class="tab-content tab-content-sec active" data-tab="related"> <div class="padding"> <p class="lead text-muted" style="font-size: 18px; margin-top:0px;">Similar Records in DOE PAGES and OSTI.GOV collections:</p> <aside> <ul class="item-list" itemscope itemtype="http://schema.org/ItemList" style="padding-left:0; list-style-type: none;"> <li> <div class="article item document" itemprop="itemListElement" itemscope itemtype="http://schema.org/WebPage"><meta itemprop="position" content="0" /><div class="item-info"> <h2 class="title" itemprop="name headline"><a href="/pages/biblio/1501348-sequestration-vi-from-acidic-alkaline-high-ionic-strength-aqueous-media-functionalized-magnetic-mesoporous-silica-nanoparticles-capacity-binding-mechanisms" itemprop="url">Sequestration of U(VI) from Acidic, Alkaline, and High Ionic-Strength Aqueous Media by Functionalized Magnetic Mesoporous Silica Nanoparticles: Capacity and Binding Mechanisms</a></h2> <div class="metadata"> <small class="text-muted" style="text-transform:uppercase;display:block;line-height:2.5em;">Journal Article</small><span class="authors"> <span class="author">Li, Dien</span> ; <span class="author">Egodawatte, Shani</span> ; <span class="author">Kaplan, Daniel I.</span> ; <span class="author">...</span> <span class="text-muted pubdata"> - Environmental Science and Technology</span> </span> </div> <div class="abstract">Uranium(VI) exhibits little adsorption onto sediment minerals in acidic, alkaline or high ionic-strength aqueous media that often occur in U mining or contaminated sites, which makes U(VI) very mobile and difficult to sequester. In this work, magnetic mesoporous silica nanoparticles (MMSNs) were functionalized with several organic ligands. The functionalized MMSNs were highly effective and had large binding capacity for U sequestration from high salt water (HSW) simulant (54 mg U/g sorbent). The functionalized MMSNs, after U exposure in HSW simulant, pH 3.5 and 9.6 artificial groundwater (AGW), were characterized by a host of spectroscopic methods. Among the key novel findings<a href='#' onclick='$(this).hide().next().show().next().show();return false;' style='margin-left:10px;'>more »</a><span style='display:none;'> in this work was that in the HSW simulant or high pH AGW, the dominant U species bound to the functionalized MMSNs were uranyl or uranyl hydroxide, rather than uranyl carbonates as expected. The surface functional groups appear to be out-competing the carbonate ligands associated with the aqueous U species. The uranyl-like species were bound with N ligand as η<sup>2</sup> bound motifs or phosphonate ligand as a monodentate, as well as on tetrahedral Si sites as an edge-sharing bidentate. Conclusively, the N and phosphonate ligand-functionalized MMSNs hold promise as effective sorbents for sequestering U from acidic, alkaline or high ionic-strength contaminated aqueous media.</span><a href='#' onclick='$(this).hide().prev().hide().prev().show();return false;' style='margin-left:10px;display:none;'>« less</a></div><div class="metadata-links small clearfix text-muted" style="margin-top:15px;"> <span class="fa fa-book text-muted" aria-hidden="true"></span> Cited by 10<div class="pure-menu pure-menu-horizontal pull-right" style="width:unset;"> <ul class="pure-menu-list"> <li class="pure-menu-item"><span class="item-info-ftlink"><a class="misc doi-link " href="https://doi.org/10.1021/acs.est.7b03778" target="_blank" rel="noopener" title="Link to document DOI" data-ostiid="1501348" data-product-type="Journal Article" data-product-subtype="AM" >https://doi.org/10.1021/acs.est.7b03778</a></span></li> <li class="pure-menu-item"><span class="item-info-ftlink"><a class="misc fulltext-link " href="/pages/servlets/purl/1501348" title="Link to document media" target="_blank" rel="noopener" data-ostiid="1501348" data-product-type="Journal Article" data-product-subtype="AM" >Full Text Available</a></span></li> </ul> </div> </div> </div> <div class="clearfix"></div> </div> </li> <li> <div class="article item document" itemprop="itemListElement" itemscope itemtype="http://schema.org/WebPage"><meta itemprop="position" content="1" /><div class="item-info"> <h2 class="title" itemprop="name headline"><a href="/pages/biblio/1466384-spectroscopic-characterization-aqua-fac-tc-co-complexes-high-ionic-strength" itemprop="url">Spectroscopic Characterization of Aqua [<em>fac</em>-Tc(CO)<sub>3</sub>]<sup>+</sup> Complexes at High Ionic Strength</a></h2> <div class="metadata"> <small class="text-muted" style="text-transform:uppercase;display:block;line-height:2.5em;">Journal Article</small><span class="authors"> <span class="author">Chatterjee, Sayandev</span> ; <span class="author">Hall, Gabriel B.</span> ; <span class="author">Engelhard, Mark H.</span> ; <span class="author">...</span> <span class="text-muted pubdata"> - Inorganic Chemistry</span> </span> </div> <div class="abstract">Understanding fundamental Tc chemistry is important to both the remediation of nuclear waste and the reprocessing of nuclear fuel; however, current knowledge of the electronic structure and spectral signatures of low-valent Tc compounds significantly lags behind the remainder of the d-block elements. In particular, identification and treatment of Tc speciation in legacy nuclear waste is challenging due to the lack of reference data especially for Tc compounds in the less common oxidation states (I-VI). In an effort to establish a spectroscopic library corresponding to the relevant conditions of extremely high ionic strength typical for the legacy nuclear waste, compounds with<a href='#' onclick='$(this).hide().next().show().next().show();return false;' style='margin-left:10px;'>more »</a><span style='display:none;'> the general formula of [fac-Tc(CO)3(OH2)3-n(OH)n]1-n (where n = 0-3) were examined by a range of spectroscopic techniques including 99Tc/13C NMR, IR, XPS, and XAS. In the series of monomeric aqua species, stepwise hydrolysis results in the increase of the Tc metal center electron density and corresponding progressive decrease of the Tc-C bond distances, Tc electron binding energies, and carbonyl stretching frequencies in the order [fac-Tc(CO)3(OH2)3]+ > [fac-Tc(CO)3(OH2)2(OH)] > [fac-Tc(CO)3(OH2)(OH)2]-. These results correlate with established trends of the 99Tc upfield chemical shift and carbonyl 13C downfield chemical shift. The lone exception is [fac-Tc(CO)3(OH)]4 which exhibits a comparatively low electron density at the metal center attributed to the μ3-bridging nature of the -OH ligands causing less σ-donation and no π-donation. This work also reports the first observations of these compounds by XPS and [fac-Tc(CO)3Cl3]2- by XAS. The unique and distinguishable spectral features of the aqua [fac-Tc(CO)3]+ complexes lay the foundation for their identification in the complex aqueous matrixes.</span><a href='#' onclick='$(this).hide().prev().hide().prev().show();return false;' style='margin-left:10px;display:none;'>« less</a></div><div class="metadata-links small clearfix text-muted" style="margin-top:15px;"> <span class="fa fa-book text-muted" aria-hidden="true"></span> Cited by 2<div class="pure-menu pure-menu-horizontal pull-right" style="width:unset;"> <ul class="pure-menu-list"> <li class="pure-menu-item"><span class="item-info-ftlink"><a class="misc doi-link " href="https://doi.org/10.1021/acs.inorgchem.8b00490" target="_blank" rel="noopener" title="Link to document DOI" data-ostiid="1466384" data-product-type="Journal Article" data-product-subtype="AM" >https://doi.org/10.1021/acs.inorgchem.8b00490</a></span></li> <li class="pure-menu-item"><span class="item-info-ftlink"><a class="misc fulltext-link " href="/pages/servlets/purl/1466384" title="Link to document media" target="_blank" rel="noopener" data-ostiid="1466384" data-product-type="Journal Article" data-product-subtype="AM" >Full Text Available</a></span></li> </ul> </div> </div> </div> <div class="clearfix"></div> </div> </li> <li> <div class="article item document" itemprop="itemListElement" itemscope itemtype="http://schema.org/WebPage"><meta itemprop="position" content="3" /><div class="item-info"> <h2 class="title" itemprop="name headline"><a href="/biblio/1612056-actinyl-cation-interactions-experimental-theoretical-assessment-np-vi-cl-vi-cl-systems" itemprop="url">Actinyl-cation interactions: experimental and theoretical assessment of [Np( vi )O <sub>2</sub> Cl <sub>4</sub> ] <sup>2-</sup> and [U( vi )O <sub>2</sub> Cl <sub>4</sub> ] <sup>2-</sup> systems</a></h2> <div class="metadata"> <small class="text-muted" style="text-transform:uppercase;display:block;line-height:2.5em;">Journal Article</small><span class="authors"> <span class="author">Bjorklund, Jennifer L.</span> ; <span class="author">Pyrch, Mikaela M.</span> ; <span class="author">Basile, Madeline C.</span> ; <span class="author">...</span> <span class="text-muted pubdata"> - Dalton Transactions</span> </span> </div> <div class="abstract">Interactions between the Li<sup>+</sup>cation and the neptunyl(vi) oxo observed in both solid state and aqueous solutions.</div><div class="metadata-links small clearfix text-muted" style="margin-top:15px;"> <div class="pure-menu pure-menu-horizontal pull-right" style="width:unset;"> <ul class="pure-menu-list"> <li class="pure-menu-item"><span class="item-info-ftlink"><a class="misc doi-link " href="https://doi.org/10.1039/c9dt01753d" target="_blank" rel="noopener" title="Link to document DOI" data-ostiid="1612056" data-product-type="Journal Article" data-product-subtype="AC" >https://doi.org/10.1039/c9dt01753d</a></span></li> </ul> </div> </div> </div> <div class="clearfix"></div> </div> </li> <li> <div class="article item document" itemprop="itemListElement" itemscope itemtype="http://schema.org/WebPage"><meta itemprop="position" content="4" /><div class="item-info"> <h2 class="title" itemprop="name headline"><a href="/biblio/952900-treatment-nitric-acid-vi-tc-vii-contaminated-groundwater-intermediate-scale-physical-models-situ-biobarrier" itemprop="url">Treatment of Nitric Acid-, U(VI)-, and Tc(VII)-Contaminated Groundwater in Intermediate-Scale Physical Models of an In Situ Biobarrier</a></h2> <div class="metadata"> <small class="text-muted" style="text-transform:uppercase;display:block;line-height:2.5em;">Journal Article</small><span class="authors"> <span class="author">Michalsen, Mandy M</span> ; <span class="author">Peacock, Aaron</span> ; <span class="author">Smithgal, Amanda N</span> ; <span class="author">...</span> <span class="text-muted pubdata"> - Environmental Science & Technology, 43(6):1952-1961</span> </span> </div> <div class="abstract">Metal and hydrogen ion acidity and extreme nitrate concentrations at Department of Energy legacy waste sites pose challenges for successful in situ U and Tc bioimmobilization. In this study, we investigated a potential in situ biobarrier configuration designed to neutralize pH and remove nitrate and radionuclides from nitric acid-, U-, and Tc-contaminated groundwater for over 21 months. Ethanol additions to groundwater flowing through native sediment and crushed limestone effectively increased pH (from 4.7 to 6.9), promoted removal of 116 mM nitrate, increased sediment biomass, and immobilized 94% of total U. Increased groundwater pH and significant U removal was also observed<a href='#' onclick='$(this).hide().next().show().next().show();return false;' style='margin-left:10px;'>more »</a><span style='display:none;'> in a control column that received no added ethanol. Sequential extraction and XANES analyses showed U in this sediment to be solid-associated U(VI), and EXAFS analysis results were consistent with uranyl orthophosphate (UO2)3(PO4)2·4H2O(s), which may control U solubility in this system. Ratios of respiratory ubiquinones to menaquinones and copies of dissimilatory nitrite reductase genes, nirS and nirK, were at least 1 order of magnitude greater in the ethanol-stimulated system compared to the control, indicating that ethanol addition promoted growth of a largely denitrifying microbial community. Sediment 16S rRNA gene clone libraries showed that Betaproteobacteria were dominant (89%) near the source of influent acidic groundwater, whereas members of Gamma- and Alphaproteobacteria and Bacteroidetes increased along the flow path as pH increased and nitrate concentrations decreased, indicating spatial shifts in community composition as a function of pH and nitrate concentrations. Results of this study support the utility of biobarriers for treating acidic radionuclide- and nitrate-contaminated groundwater.</span><a href='#' onclick='$(this).hide().prev().hide().prev().show();return false;' style='margin-left:10px;display:none;'>« less</a></div><div class="metadata-links small clearfix text-muted" style="margin-top:15px;"> <div class="pure-menu pure-menu-horizontal pull-right" style="width:unset;"> <ul class="pure-menu-list"> <li class="pure-menu-item"><span class="item-info-ftlink"><a class="misc doi-link " href="https://doi.org/10.1021/es8012485" target="_blank" rel="noopener" title="Link to document DOI" data-ostiid="952900" data-product-type="Journal Article" data-product-subtype="AC" >https://doi.org/10.1021/es8012485</a></span></li> </ul> </div> </div> </div> <div class="clearfix"></div> </div> </li> <li> <div class="article item document" itemprop="itemListElement" itemscope itemtype="http://schema.org/WebPage"><meta itemprop="position" content="6" /><div class="item-info"> <h2 class="title" itemprop="name headline"><a href="/biblio/5942182-investigations-technetium-hydrazido-core-synthesis-structural-characterization-sub-sub-sub-tc-sub-nnph-sub-sub-sub-cl-sub-sub-sub-times-ch-sub-cl-sub-times-sub-oh-tc-tc-vi-catecholate-complex-hydrazido-ligands-adopting-unusual-eta-sup-bridging-mode" itemprop="url">Investigations of the technetium-hydrazido Core. Synthesis and structural characterization of ((n-C sub 4 H sub 9 ) sub 4 N)(Tc sub 2 (NNPh sub 2 ) sub 2 (C sub 6 Cl sub 4 O sub 2 ) sub 4 ) times CH sub 2 Cl sub 2 times 2CH sub 3 OH, a Tc(V)/Tc(VI) Catecholate complex with the hydrazido ligands adopting the unusual. eta. sup 1 bridging mode</a></h2> <div class="metadata"> <small class="text-muted" style="text-transform:uppercase;display:block;line-height:2.5em;">Journal Article</small><span class="authors"> <span class="author">Abrams, M J</span> ; <span class="author">Larsen, S K</span> ; <span class="author">Zubieta, J</span> <span class="text-muted pubdata"> - Inorganic Chemistry; (United States)</span> </span> </div> <div class="abstract">Reaction of oxo-bis(tetrachlorocatecholate) Tc(V) complex ((n-C{sub 4}H{sub 9}){sub 4}N)(TcO(C{sub 6}Cl{sub 4}O{sub 2}){sub 2}) (1) with n, N-diphenylhydrazine in Ch{sub 2}Cl{sub 2} yields the binuclear paramagnetic Tc(V)/Tc(VI) mixed-valence complex ((n-C{sub 4}H{sub 9}){sub 4}N)(Tc{sub 2}(NNPh{sub 2}){sub 2}(C{sub 6}Cl{sub 4}O{sub 2}){sub 4}){times}CH{sub 2}Cl{sub 2}{times}2CH{sub 3}OH (2). The structure of the molecular anion of 2 consists of two distorted octahedral Tc centers bridged by two hydrazido (2{minus}) groups bonding s in the {eta}{sup 1} mode, an unusual bonding motif for this ligand, having previously described only for cyclopentadienyl-metal species. Complex 2 is also a unique example of a Tc(V)/Tc(VI) mixed-valence species; the Tc-Tc distance<a href='#' onclick='$(this).hide().next().show().next().show();return false;' style='margin-left:10px;'>more »</a><span style='display:none;'> of 2.612 (2) {angstrom} is consistent with direct metal-metal interaction. Crystal data for 1 and 2. 46 refs., 2 figs., 5 tabs.</span><a href='#' onclick='$(this).hide().prev().hide().prev().show();return false;' style='margin-left:10px;display:none;'>« less</a></div><div class="metadata-links small clearfix text-muted" style="margin-top:15px;"> <div class="pure-menu pure-menu-horizontal pull-right" style="width:unset;"> <ul class="pure-menu-list"> <li class="pure-menu-item"><span class="item-info-ftlink"><a class="misc doi-link " href="https://doi.org/10.1021/ic00009a016" target="_blank" rel="noopener" title="Link to document DOI" data-ostiid="5942182" data-product-type="Journal Article" data-product-subtype="AC" >https://doi.org/10.1021/ic00009a016</a></span></li> </ul> </div> </div> </div> <div class="clearfix"></div> </div> </li> </ul> </aside> </div> </section> </div> <div class="col-sm-3 order-sm-3"> <ul class="nav nav-stacked"> <li class="active"><a class="tab-nav disabled" data-tab="related" style="color: #636c72 !important; opacity: 1;"><span class="fa fa-angle-right"></span> Similar Records</a></li> </ul> </div> </div> </section> </div></div> </div> </div> </section> <footer class="" style="background-color:#f9f9f9; /* padding-top: 0.5rem; */"> <div class="footer-minor"> <div class="container"> <hr class="footer-separator" /> <div class="text-center" style="margin-top:1.25rem;"> <div class="pure-menu pure-menu-horizontal"> <ul class="pure-menu-list" id="footer-org-menu"> <li class="pure-menu-item"> <a href="https://energy.gov" target="_blank" rel="noopener noreferrer"> <img src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==" class="sprite sprite-footer-us-doe-min" alt="U.S. Department of Energy" /> </a> </li> <li class="pure-menu-item"> <a href="https://www.energy.gov/science/office-science" target="_blank" rel="noopener noreferrer"> <img src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==" class="sprite sprite-footer-office-of-science-min" alt="Office of Science" /> </a> </li> <li class="pure-menu-item"> <a href="/"> <img src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==" class="sprite sprite-footer-osti-min" alt="Office of Scientific and Technical Information" /> </a> </li> </ul> </div> </div> <div class="text-center small" style="margin-top:0.5em;margin-bottom:2.0rem;"> <div class="pure-menu pure-menu-horizontal"> <ul class="pure-menu-list"> <li class="pure-menu-item"><a href="/disclaim" class="pure-menu-link"><span class="fa fa-institution"></span> Website Policies <span class="hidden-xs">/ Important Links</span></a></li> <li class="pure-menu-item"><a href="/pages/contact" class="pure-menu-link"><span class="fa fa-comments-o"></span> Contact Us</a></li> <li class="d-block d-md-none"></li> <li class="pure-menu-item"><a href="https://www.facebook.com/ostigov" target="_blank" rel="noopener noreferrer" class="pure-menu-link social"><span class="fa fa-facebook" style=""></span></a></li> <li class="pure-menu-item"><a href="https://twitter.com/OSTIgov" target="_blank" rel="noopener noreferrer" class="pure-menu-link social"><span class="fa fa-twitter" style=""></span></a></li> <li class="pure-menu-item"><a href="https://www.youtube.com/user/ostigov" target="_blank" rel="noopener noreferrer" class="pure-menu-link social"><span class="fa fa-youtube-play" style=""></span></a></li> </ul> </div> </div> </div> </div> </footer> <link href="/pages/css/pages.fonts.210604.1157.css" rel="stylesheet"> <script src="/pages/js/pages.210604.1157.js"></script><noscript></noscript> <script defer src="/pages/js/pages.biblio.210604.1157.js"></script><noscript></noscript> <script defer src="/pages/js/lity.js"></script><noscript></noscript> <script async type="text/javascript" src="/pages/js/Universal-Federated-Analytics-Min.js?agency=DOE" id="_fed_an_ua_tag"></script><noscript></noscript> </body> <!-- DOE PAGES v.210604.1157 --> </html>