Mass Spectrometric Calibration of Controlled Fluoroform Leak Rate Devices: Technique and Uncertainty Analysis

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Description

Controlled leak rate devices of fluoroform on the order of 10{sup -8} atm {center_dot} cc sec{sup -1} at 25 C are used to calibrate QC-1 War Reserve neutron tube exhaust stations for leak detection sensitivity. Close-out calibration of these tritium-contaminated devices is provided by the Gas Dynamics and Mass Spectrometry Laboratory, Organization 14406, which is a tritium analytical facility. The mass spectrometric technique used for the measurement is discussed, as is the first principals calculation (pressure, volume, temperature and time). The uncertainty of the measurement is largely driven by contributing factors in the determination of P, V and T. The ... continued below

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35 pages

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BALSLEY, STEVEN D.; BROWNING, JAMES F. & LADUCA, CAROL A. April 1, 2003.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM, and Livermore, CA (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

Controlled leak rate devices of fluoroform on the order of 10{sup -8} atm {center_dot} cc sec{sup -1} at 25 C are used to calibrate QC-1 War Reserve neutron tube exhaust stations for leak detection sensitivity. Close-out calibration of these tritium-contaminated devices is provided by the Gas Dynamics and Mass Spectrometry Laboratory, Organization 14406, which is a tritium analytical facility. The mass spectrometric technique used for the measurement is discussed, as is the first principals calculation (pressure, volume, temperature and time). The uncertainty of the measurement is largely driven by contributing factors in the determination of P, V and T. The expanded uncertainty of the leak rate measurement is shown to be 4.42%, with a coverage factor of 3 (k=3).

Physical Description

35 pages

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  • Other Information: PBD: 1 Apr 2003

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  • Report No.: SAND2003-1185
  • Grant Number: AC04-94AL85000
  • DOI: 10.2172/810000 | External Link
  • Office of Scientific & Technical Information Report Number: 810000
  • Archival Resource Key: ark:/67531/metadc738479

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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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  • April 1, 2003

Added to The UNT Digital Library

  • Oct. 18, 2015, 6:40 p.m.

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  • April 11, 2016, 6:58 p.m.

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BALSLEY, STEVEN D.; BROWNING, JAMES F. & LADUCA, CAROL A. Mass Spectrometric Calibration of Controlled Fluoroform Leak Rate Devices: Technique and Uncertainty Analysis, report, April 1, 2003; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc738479/: accessed October 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.