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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 32, Number 10
BKCSDE 32(10)
October 20, 2011 

 
Title
Stable Isotope Chemistry of Bone Collagen and Carbonate Assessed by Bone Density Fractionation
Author
Ji Young Shin
Keywords
Bone density fractionation, Bone collagen, Bone carbonate, Radiocarbon dating, Stable isotope analysis
Abstract
This paper presents a stable isotope chemistry of bone collagen and carbonate. Bone carbonate has the potential to provide additional isotopic information. However, it remains controversial as to whether archaeological bone carbonate retains its original biogenic signature. I used a novel application of bone density fractionation and checked the integrity of δ13Capa values using radiocarbon dating. Diagenesis in archaeological bone carbonate still remains to be resolved in extracting biogenic information. The combined use of bone density fractionation and differential dissolution method shows a large shift in the δ13Capa values. Although δ13Capa values are improved in lighter density fractions, a large percentage of contamination in bone carbonate was reported via 14C dating compared to that noted with bone collagen.
Page
3618 - 3623
Full Text
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