Gamma-ray spectral determinations with a portable analyzer

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Description

A portable sodium iodide spectrometer was used in a variety of field applications. The spectrometer is a battery-operated system complete with a 5 x 5 cm NaI(Tl) detector, 1024 channel memory divisible into four quadrants, special summation and calibration circuits, and a telemeter output for data transmittals. The portable spectrometer has been used to make in situ measurements around a radioactive waste burial ground. Typical spectra of /sup 137/Cs and /sup 60/Co were easily discernible at one such site. Uptake in vegetation near a sealed trench could be observed by placing the NaI(Tl) probe in the foliage. The extent of ... continued below

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Pages: 8

Creation Information

Eldridge, J.S. & Oakes, T.W. January 1, 1978.

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Description

A portable sodium iodide spectrometer was used in a variety of field applications. The spectrometer is a battery-operated system complete with a 5 x 5 cm NaI(Tl) detector, 1024 channel memory divisible into four quadrants, special summation and calibration circuits, and a telemeter output for data transmittals. The portable spectrometer has been used to make in situ measurements around a radioactive waste burial ground. Typical spectra of /sup 137/Cs and /sup 60/Co were easily discernible at one such site. Uptake in vegetation near a sealed trench could be observed by placing the NaI(Tl) probe in the foliage. The extent of the spread of low-level contamination of /sup 60/Co was determined in an area that had previously been decontaminated. The unique response of the two /sup 60/Co gamma-rays could be obtained by subtracting the local background response within the computing spectrometer. The ability to perform qualitative identification and to assess hazards in emergency situations has been demonstrated.

Physical Description

Pages: 8

Notes

Dep. NTIS, PC A02/MF A01.

Source

  • 11. symposium on radiation instrumentation, San Diego, CA, USA, 17 Jan 1978

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  • Report No.: CONF-780110-6
  • Grant Number: W-7405-ENG-26
  • Office of Scientific & Technical Information Report Number: 5147096
  • Archival Resource Key: ark:/67531/metadc1056162

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • January 1, 1978

Added to The UNT Digital Library

  • Jan. 22, 2018, 7:23 a.m.

Description Last Updated

  • Feb. 1, 2018, 6:08 p.m.

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Eldridge, J.S. & Oakes, T.W. Gamma-ray spectral determinations with a portable analyzer, article, January 1, 1978; Tennessee. (digital.library.unt.edu/ark:/67531/metadc1056162/: accessed October 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.