Development of mixed-waste analysis capability for graphite furnace atomic absorption spectrophotometry

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Description

Graphite furnace atomic absorption spectrophotometer (GFAAS) are typically configured with ventilation to capture potentially toxic and corrosive gases emitted from the vaporization of sample aliquots. When radioactive elements are present, additional concerns (such as meeting safety guidelines and ALARA principles) must be addressed. This report describes a modification to a GFAAS that provides additional containment of vaporized sample aliquots. The modification was found to increase containment by a factor of 80, given expected operating conditions. The use of the modification allows more mixed-waste samples to be analyzed, permits higher levels of radioactive samples to be analyzed, or exposes the analyst ... continued below

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20 p.

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Bass, D.A.; TenKate, L.B. & Wroblewski, A. March 1, 1995.

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Description

Graphite furnace atomic absorption spectrophotometer (GFAAS) are typically configured with ventilation to capture potentially toxic and corrosive gases emitted from the vaporization of sample aliquots. When radioactive elements are present, additional concerns (such as meeting safety guidelines and ALARA principles) must be addressed. This report describes a modification to a GFAAS that provides additional containment of vaporized sample aliquots. The modification was found to increase containment by a factor of 80, given expected operating conditions. The use of the modification allows more mixed-waste samples to be analyzed, permits higher levels of radioactive samples to be analyzed, or exposes the analyst to less airborne radioactivity. The containment apparatus was attached to a Perkin-Elmer Zeeman 5000 spectrophotometer for analysis of mixed-waste samples; however, it could also be used on other systems and in other applications where greater containment of vaporized material is desired.

Physical Description

20 p.

Notes

INIS; OSTI as DE95016336

Medium: P; Size: 20 p.

Source

  • Other Information: PBD: Mar 1995

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  • Other: DE95016336
  • Report No.: ANL/ACL--95/2
  • Grant Number: W-31-109-ENG-38
  • DOI: 10.2172/105062 | External Link
  • Office of Scientific & Technical Information Report Number: 105062
  • Archival Resource Key: ark:/67531/metadc620419

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • March 1, 1995

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 7, 2017, 7:08 p.m.

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Bass, D.A.; TenKate, L.B. & Wroblewski, A. Development of mixed-waste analysis capability for graphite furnace atomic absorption spectrophotometry, report, March 1, 1995; Illinois. (digital.library.unt.edu/ark:/67531/metadc620419/: accessed November 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.