Glasgow University Radiocarbon Measurements I

Bibliographic Data

ID9244812
AuthorsM S Baxter, M Ergin (0000-0002-8447-8014), A Walton
Year1969
Volume11
Issue01
Pages43-52
Publication date1969-01-01
Open AccessNo
TypeARTICLE
VenueRadiocarbon (JOURNAL)
Journal identifiersISSN: 0033-8222 • E-ISSN: 1945-5755
PublisherCambridge University Press (CUP) (PUBLISHER)
DOI10.1017/s0033822200064432
OpenAlexW4249212646
LanguageEN
Citations received11
References cited9

Two radiocarbon counting systems have been established in the Chemistry Department, University of Glasgow, since late 1967. The counting gas is methane, at pressures up to 10 atm, and 2 alternative procedures are followed for methane production, (a) high pressure synthesis in a stainless steel 4.5 1 reactor and (b) low pressure synthesis in an all glass flow-reactor. Both systems employ 0.5% ruthenium on alumina pellets as catalyst (Engelhard Industries Ltd.). Early samples synthesized with Air Products' hydrogen showed evidence of tritium contamination. This gas supply was later replaced with tritium-free hydrogen supplied by Messrs. Griesheim, Düsseldorf, Germany. Both detectors used for routine measurements are 0.5 1 internal gas counters supplied by Beckman Instruments Inc., California. The detectors are surrounded by a concentric-wall multiple anode anticoincidence counter. The entire counter assembly is encased within a 4-in.-thick lead shield manufactured from aged lead by J. Girdler and Co., London. Counter electronics, anticoincidence system and power supply are of Beckman design (Sharp and Ellis, 1965)

Anode · Archaeology · Electrode · Hydrogen · Methane · Radiocarbon dating · Chemistry · Environmental Science · Isotope Analysis in Ecology · Materials Science · Nuclear Physics and Applications

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