Electrodeposition as an alternate method for preparation of environmental samples for iodide by AMS

Adamic, M. L.; Lister, T. E.; Dufek, E. J.; Jenson, D. D.; Olson, J. E.; Vockenhuber, C.; Watrous, M. G.

doi:10.1016/j.nimb.2015.03.015

Title: Electrodeposition as an alternate method for preparation of environmental samples for iodide by AMS

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Abstract

This paper presents an evaluation of an alternate method for preparing environmental samples for ¹²⁹I analysis by accelerator mass spectrometry (AMS) at Idaho National Laboratory. The optimal sample preparation method is characterized by ease of preparation, capability of processing very small quantities of iodide, and ease of loading into a cathode. Electrodeposition of iodide on a silver wire was evaluated using these criteria. This study indicates that the electrochemically-formed silver iodide deposits produce ion currents similar to those from precipitated silver iodide for the same sample mass. Furthermore, precipitated silver iodide samples are usually mixed with niobium or silver powder prior to loading in a cathode. Using electrodeposition, the silver is already mixed with the sample and can simply be picked up with tweezers, placed in the sample die, and pressed into a cathode. The major advantage of this method is that the silver wire/electrodeposited silver iodide is much easier to load into a cathode.

Authors:

Adamic, M. L. ^[1]; Lister, T. E. ^[1]; Dufek, E. J. ^[1]; Jenson, D. D. ^[1]; Olson, J. E. ^[1]; Vockenhuber, C. ^[2]; Watrous, M. G. ^[1]

Idaho National Lab. (INL), Idaho Falls, ID (United States)
ETH Zurich, Zurich (Switzerland)

Publication Date:: Wed Mar 25 00:00:00 EDT 2015

Research Org.:: Idaho National Lab. (INL), Idaho Falls, ID (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1294410

Alternate Identifier(s):: OSTI ID: 1246205

Report Number(s):: INL/JOU-14-31377
Journal ID: ISSN 0168-583X; PII: S0168583X15002153

Grant/Contract Number:: IN13-AMS255-PD3TE

Resource Type:: Accepted Manuscript

Journal Name:: Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms

Additional Journal Information:: Journal Volume: 361; Journal Issue: C; Journal ID: ISSN 0168-583X

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; radioiodine; accelerator mass spectrometry, AMS; electrodeposition; 129I-AMS sample preparation; 129I

Citation Formats


                    Adamic, M. L., Lister, T. E., Dufek, E. J., Jenson, D. D., Olson, J. E., Vockenhuber, C., and Watrous, M. G. Electrodeposition as an alternate method for preparation of environmental samples for iodide by AMS.  United States: N. p., 2015. 
Web.  doi:10.1016/j.nimb.2015.03.015.

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                    Adamic, M. L., Lister, T. E., Dufek, E. J., Jenson, D. D., Olson, J. E., Vockenhuber, C., & Watrous, M. G. Electrodeposition as an alternate method for preparation of environmental samples for iodide by AMS.  United States.  https://doi.org/10.1016/j.nimb.2015.03.015

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                    Adamic, M. L., Lister, T. E., Dufek, E. J., Jenson, D. D., Olson, J. E., Vockenhuber, C., and Watrous, M. G. Wed .  
"Electrodeposition as an alternate method for preparation of environmental samples for iodide by AMS".  United States.  https://doi.org/10.1016/j.nimb.2015.03.015.  https://www.osti.gov/servlets/purl/1294410.

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@article{osti_1294410,

  title        = {Electrodeposition as an alternate method for preparation of environmental samples for iodide by AMS},

  author       = {Adamic, M. L. and Lister, T. E. and Dufek, E. J. and Jenson, D. D. and Olson, J. E. and Vockenhuber, C. and Watrous, M. G.},

  abstractNote = {This paper presents an evaluation of an alternate method for preparing environmental samples for 129I analysis by accelerator mass spectrometry (AMS) at Idaho National Laboratory. The optimal sample preparation method is characterized by ease of preparation, capability of processing very small quantities of iodide, and ease of loading into a cathode. Electrodeposition of iodide on a silver wire was evaluated using these criteria. This study indicates that the electrochemically-formed silver iodide deposits produce ion currents similar to those from precipitated silver iodide for the same sample mass. Furthermore, precipitated silver iodide samples are usually mixed with niobium or silver powder prior to loading in a cathode. Using electrodeposition, the silver is already mixed with the sample and can simply be picked up with tweezers, placed in the sample die, and pressed into a cathode. The major advantage of this method is that the silver wire/electrodeposited silver iodide is much easier to load into a cathode.},

  doi          = {10.1016/j.nimb.2015.03.015},

  journal      = {Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms},

  number       = C,

  volume       = 361,

  place        = {United States},

  year         = {Wed Mar 25 00:00:00 EDT 2015},

  month        = {Wed Mar 25 00:00:00 EDT 2015}

}

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