Mercury recovery results of microwave digested tritium facility pump oil

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This report is a follow up of work done earlier this year and recorded in document WSRC-RP-97-322. The scope of this document is to demonstrated the viability of digesting two non-radioactive Tritium facility pump oils, Welch Duoseal and Spindura, neat and spiked with low-level mercury to determine completeness of digestion and recoverability of mercury. As noted in document WSRC-RP-97-322 a microwave digestion methodology was developed with CEM`s ultimate digestion vessel system (UDV) and is the technique used for the follow up task of digesting the above mention pump oils for the preparatory step of cold-vapor mercury analysis.All analytical development for ... continued below

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Whitaker, M.J. & Clymire, J.W. September 30, 1997.

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Description

This report is a follow up of work done earlier this year and recorded in document WSRC-RP-97-322. The scope of this document is to demonstrated the viability of digesting two non-radioactive Tritium facility pump oils, Welch Duoseal and Spindura, neat and spiked with low-level mercury to determine completeness of digestion and recoverability of mercury. As noted in document WSRC-RP-97-322 a microwave digestion methodology was developed with CEM`s ultimate digestion vessel system (UDV) and is the technique used for the follow up task of digesting the above mention pump oils for the preparatory step of cold-vapor mercury analysis.All analytical development for this project was performed at TNX. The determination of the mercury concentration in each digested sample was by cold vapor atomic absorption. The instrument used was a Varian SpectrAA 800 with a vapor generation attachment. This flameless AA procedure is a physical method based on the absorption of radiation at 253.7 nm of mercury vapor. Organo-mercury compounds will not respond to the cold vapor atomic absorption technique, therefore, to acquire a total mercury value it is necessary for a complete digestion to oxidize and convert the organo-mercury species to the mercuric ion.

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OSTI as DE98050457

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  • Other Information: PBD: 30 Sep 1997

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  • Other: DE98050457
  • Report No.: WSRC-RP--97-00889
  • Grant Number: AC09-96SR18500
  • Office of Scientific & Technical Information Report Number: 353013
  • Archival Resource Key: ark:/67531/metadc688258

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  • September 30, 1997

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  • July 25, 2015, 2:20 a.m.

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  • Feb. 9, 2016, 8:55 p.m.

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Whitaker, M.J. & Clymire, J.W. Mercury recovery results of microwave digested tritium facility pump oil, report, September 30, 1997; Aiken, South Carolina. (digital.library.unt.edu/ark:/67531/metadc688258/: accessed December 11, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.