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Determination of carbon-14 in environmental level, solid reference materials

Determination of carbon-14 in environmental level, solid reference materials
Determination of carbon-14 in environmental level, solid reference materials
An intercomparison exercise to determine the 14C activity concentrations in a range of solid, environmental level materials was conducted between laboratories in the UK. IAEA reference materials, C2, C6 and C7, and an in-house laboratory QA material were dispatched in 2006 to ten laboratories comprising of members of the Analyst Informal Working Group (AIWG) and one other invited party. The laboratories performed the determinations using a number of techniques, and using the results each one was evaluated in terms of levels of precision, sensitivity and limits of detection. The results of the study show that all techniques are capable of successfully analysing 14C in environmental level materials, however, a shortage of certified environmental reference materials exists. The suitability of the IAEA reference materials and other material for use as reference materials was also assessed.
Carbon-14, Quality assurance, Environmental, Analysis
0969-8043
1323-1329
Blowers, Paul
eb420d19-0af1-43c3-94c7-acefe5bf5041
Caborn, Jane
c6168818-a753-42e7-b5d3-d7240a733994
Dell, Tony
7cbbdfb4-0856-4941-8d57-4d32c8347b2e
Gingell, Terry
26aed69a-35c8-4f79-a359-5d2ff956aa1f
Harms, Arvic
1cf69a92-333a-4d12-aa4c-16347c3c7931
Long, Stephanie
1c89e332-335b-4c9b-bcec-bbc9d8f250b7
Sleep, Darren
e238a161-e95d-43a0-9768-9a3de97843a7
Stewart, Charlie
33fc6faf-1026-49f6-9517-4f4e45e8a02f
Walker, Jill
f04a74d6-5fb1-46ac-b5e7-fab4b917e221
Warwick, Phil E.
f2675d83-eee2-40c5-b53d-fbe437f401ef
Blowers, Paul
eb420d19-0af1-43c3-94c7-acefe5bf5041
Caborn, Jane
c6168818-a753-42e7-b5d3-d7240a733994
Dell, Tony
7cbbdfb4-0856-4941-8d57-4d32c8347b2e
Gingell, Terry
26aed69a-35c8-4f79-a359-5d2ff956aa1f
Harms, Arvic
1cf69a92-333a-4d12-aa4c-16347c3c7931
Long, Stephanie
1c89e332-335b-4c9b-bcec-bbc9d8f250b7
Sleep, Darren
e238a161-e95d-43a0-9768-9a3de97843a7
Stewart, Charlie
33fc6faf-1026-49f6-9517-4f4e45e8a02f
Walker, Jill
f04a74d6-5fb1-46ac-b5e7-fab4b917e221
Warwick, Phil E.
f2675d83-eee2-40c5-b53d-fbe437f401ef

Blowers, Paul, Caborn, Jane, Dell, Tony, Gingell, Terry, Harms, Arvic, Long, Stephanie, Sleep, Darren, Stewart, Charlie, Walker, Jill and Warwick, Phil E. (2011) Determination of carbon-14 in environmental level, solid reference materials. Applied Radiation and Isotopes, 69 (10), 1323-1329. (doi:10.1016/j.apradiso.2011.01.011).

Record type: Article

Abstract

An intercomparison exercise to determine the 14C activity concentrations in a range of solid, environmental level materials was conducted between laboratories in the UK. IAEA reference materials, C2, C6 and C7, and an in-house laboratory QA material were dispatched in 2006 to ten laboratories comprising of members of the Analyst Informal Working Group (AIWG) and one other invited party. The laboratories performed the determinations using a number of techniques, and using the results each one was evaluated in terms of levels of precision, sensitivity and limits of detection. The results of the study show that all techniques are capable of successfully analysing 14C in environmental level materials, however, a shortage of certified environmental reference materials exists. The suitability of the IAEA reference materials and other material for use as reference materials was also assessed.

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More information

Published date: October 2011
Keywords: Carbon-14, Quality assurance, Environmental, Analysis
Organisations: Geochemistry

Identifiers

Local EPrints ID: 198079
URI: https://eprints.soton.ac.uk/id/eprint/198079
ISSN: 0969-8043
PURE UUID: 7daea32c-0d60-407b-9019-9fc3bcc8c296

Catalogue record

Date deposited: 29 Sep 2011 14:18
Last modified: 16 Jul 2019 23:23

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