Development and characterisation of a small mass H2/Fe graphitisation line

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dc.contributor.authorVarley, Sen_AU
dc.contributor.authorWilliams, AAen_AU
dc.contributor.authorNguyen, THen_AU
dc.date.accessioned2012-04-11T04:22:32Zen_AU
dc.date.available2012-04-11T04:22:32Zen_AU
dc.date.issued2011-03-24en_AU
dc.date.statistics2012-04-11en_AU
dc.description.abstractWe will present the commissioning data for our prototype, small volume, conventional graphitisation line and a comparison will made with our 2.5 mL general purpose graphitisation lines. This new graphitisation line has an internal volume of ~1.1 mL and uses the H2/Fe graphitisation method. An Impress ME506 ceramic diaphragm pressure sensor is used in a custom stainless steel housing, which also incorporates the gas inlet valve and Ultratorr® style ports for connection of a replaceable graphitisation tube and cold finger. A custom designed, water cooled,resistance heated tube furnace is used to heat the Fe catalyst / reaction volume. To use with the new graphitisation line we have developed a small volume CO2 transfer line, which allows transfers from the sample combustion tube directly into the graphitisation line unit. This new transfer line has been developed using CF UHV fittings to minimise the possibility of sample contamination and leaks. Information will also be presented on a water-cooled, Peltier based chiller unit which is used to freeze out, at -52ºC, the water produced in the H2/Fe reaction. Protocols have been developed to minimise (and standardise) the quantity of the background carbon incorporated in the overall processing of the sample into graphite. Copyright (c) 2011 AMS12en_AU
dc.identifier.citationVarley, S., Williams, A., Nguyen, T., (2011).Development and Characterisation of a small mass H2/Fe graphitisation. Presentation to the 12th International Conference on Accelerator Mass Spectrometry (AMS 12), 20th - 25th March 2011. Museum of New Zealand: Te Papa Tongarewa, Wellington, New Zealand, (pp. 209).en_AU
dc.identifier.conferenceenddate25 March 2011en_AU
dc.identifier.conferencename12th International Conference on Accelerator Mass Spectrometry (AMS-12)en_AU
dc.identifier.conferenceplaceWellington, New Zealanden_AU
dc.identifier.conferencestartdate20 March 2011en_AU
dc.identifier.govdoc4153en_AU
dc.identifier.pagination209en_AU
dc.identifier.urihttp://www.gns.cri.nz/ams12/en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/4113en_AU
dc.language.isoenen_AU
dc.publisher12th International Conference on Accelerator Mass Spectrometryen_AU
dc.subjectMassen_AU
dc.subjectGraphitizationen_AU
dc.subjectCommissioningen_AU
dc.subjectCeramicsen_AU
dc.subjectFurnacesen_AU
dc.subjectCarbonen_AU
dc.titleDevelopment and characterisation of a small mass H2/Fe graphitisation lineen_AU
dc.typeConference Presentationen_AU
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