Field demonstration of a portable, X-ray, K-edge heavy-metal detector

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Description

Under the Characterization, Monitoring, and Sensor Technology Crosscutting Program, the authors have designed and built a K-edge heavy metal detector that measures the level of heavy metal contamination inside closed containers in a nondestructive, non-invasive way. The device employs a volumetric technique that takes advantage of the X-ray absorption characteristics of heavy elements, and is most suitable for characterization of contamination inside pipes, processing equipment, closed containers, and soil samples. The K-edge detector is a fast, efficient, and cost-effective in situ characterization tool. More importantly, this device will enhance personnel safety while characterizing radioactive and toxic waste. The prototype K-edge ... continued below

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28 p.

Creation Information

Jensen, T.; Aljundi, T.; Whitmore, C.; Zhong, H. & Gray, J.N. March 31, 1997.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 16 times . More information about this report can be viewed below.

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  • Ames Laboratory
    Publisher Info: Ames Lab., IA (United States)
    Place of Publication: Iowa

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Description

Under the Characterization, Monitoring, and Sensor Technology Crosscutting Program, the authors have designed and built a K-edge heavy metal detector that measures the level of heavy metal contamination inside closed containers in a nondestructive, non-invasive way. The device employs a volumetric technique that takes advantage of the X-ray absorption characteristics of heavy elements, and is most suitable for characterization of contamination inside pipes, processing equipment, closed containers, and soil samples. The K-edge detector is a fast, efficient, and cost-effective in situ characterization tool. More importantly, this device will enhance personnel safety while characterizing radioactive and toxic waste. The prototype K-edge system was operated at the Materials and Chemistry Laboratory User Facility at the Oak Ridge K-25 Site during February 1997. Uranium contaminated pipes and valves from a UF{sub 6} feed facility were inspected using the K-edge technique as well as a baseline nondestructive assay method. Operation of the K-edge detector was demonstrated for uranium contamination ranging from 10 to 6,000 mg/cm{sup 2} and results from the K-edge measurements were found to agree very well with nondestructive assay measurements.

Physical Description

28 p.

Notes

INIS; OSTI as DE98004634

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  • Other Information: PBD: 31 Mar 1997

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  • Other: DE98004634
  • Report No.: IS--5131
  • Grant Number: W-7405-ENG-82
  • DOI: 10.2172/671995 | External Link
  • Office of Scientific & Technical Information Report Number: 671995
  • Archival Resource Key: ark:/67531/metadc707870

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  • March 31, 1997

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  • Sept. 12, 2015, 6:31 a.m.

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  • Nov. 20, 2015, 7:37 p.m.

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Jensen, T.; Aljundi, T.; Whitmore, C.; Zhong, H. & Gray, J.N. Field demonstration of a portable, X-ray, K-edge heavy-metal detector, report, March 31, 1997; Iowa. (digital.library.unt.edu/ark:/67531/metadc707870/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.