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Ref ID: 28014
Ref Type: Journal Article
Authors: Brock, Fiona
Ramsey, Christopher Bronk
Higham, Thomas
Title: Quality assurance of ultrafiltered bone dating
Date: 2007
Source: Radiocarbon
Abstract: Ultrafiltration of bone collagen provides a method of purification that can be very effective in reducing environmental contamination from soil-derived amino acids as well as removing degraded collagen or other short-chain proteins. The Oxford Radiocarbon Accelerator Unit (ORAU) first implemented ultrafiltration in the pretreatment of bone material for accelerator mass spectrometry (AMS) radiocarbon dating in 2000. However, the filters themselves contain carbonaceous material, and thus stringent quality control is required to demonstrate that this does not affect the accuracy of the dating. Here, we present quality assurance data from the bone pretreatment and dating program at ORAU, including dates on known-age and background-age bones over a range of sample sizes, and measurements of residual carbon contamination present in the filters after cleaning.
Date Created: 3/2/2015
Volume: 49
Number: 2
Page Start: 187
Page End: 192