Journal
JOURNAL OF ARCHAEOLOGICAL SCIENCE
Volume 36, Issue 2, Pages 461-466Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jas.2008.09.037
Keywords
Femtosecond; LA-ICP-MS; Trace element; Ancient gold
Funding
- Office of Science, Office of Basic Energy Sciences, Chemical Sciences, Geosciences, and Biosciences Division
- Deputy Administrator for Defense Nuclear Nonproliferation, Research and Development of the US Department of Energy [DE-AC02-05CH11231]
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In this collaborative investigation, femtosecond laser ablation-inductively coupled mass spectrometry (LA-ICP-MS) was applied to the study of a remarkable group of ancient Chinese gold objects in the Smithsonian's Freer Gallery of Art and Arthur M. Sackler Gallery. Taking advantage of the superior ablation characteristics and high precision of a femtosecond 266 nm Ti:sapphire laser at Lawrence Berkeley National Laboratory, major, minor and trace element concentrations in the gold fragments were quantified. Results validate use of femtosecond LA-ICP-MS for revealing fingerprints in minute gold samples. These fingerprints allow us to establish patterns based on the association of silver, palladium and platinum that support historical, technical and stylistic relationships, and shed new light on these ancient objects. (C) 2008 Published by Elsevier Ltd.
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