Photon burst mass spectrometry for the measurement of {sup 85}Kr at ambient levels

Conference · Tue Dec 01 00:00:00 EST 1998

OSTI ID:296632

Fairbank, Jr, W M; LaBelle, R D ^[1]; Hansen, C S ^[2]

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1. Colorado State Univ., Fort Collins, CO (United States). Physics Dept.
2. Southern Adventist Coll., Collegedale, TN (United States); and others

Photon Burst Mass Spectrometry has been used to measure {sup 85}Kr in a sample with an abundance of 6 x 10{sup {minus}9}. Improvements in detection efficiency by the use of avalanche photodiodes cooled to liquid nitrogen temperature are reported, which should make possible measurement of {sup 85}Kr at the ambient atmospheric abundance of 10{sup {minus}11}. Potential applications include nuclear monitoring, atmospheric transport, and dating young ground water up to 40 years.

• Research Organization: Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: W-7405-ENG-36
• OSTI ID: 296632
• Report Number(s): LA-UR-98-1409; CONF-980117-; ON: DE99000695; TRN: 99:002454
• Resource Relation: Conference: BIOS `98: an international symposium on biomedical optics, San Jose, CA (United States), 24-30 Jan 1998; Other Information: PBD: [1998]
• Country of Publication: United States
• Language: English

Related Subjects

40 CHEMISTRY
58 GEOSCIENCES
MASS SPECTROSCOPY
KRYPTON 85
ISOTOPE DATING
GROUND WATER
ENVIRONMENTAL TRANSPORT
RADIATION MONITORING