An experimental evaluation of cleaning methods for fossil ostracod Mg/Ca and Sr/Ca determination

Jin, Z. D. and Bickle, M. J. and Chapman, H. J. and Yu, J. and Greaves, M. J. and Wang, S. M. and Chen, S. (2006) An experimental evaluation of cleaning methods for fossil ostracod Mg/Ca and Sr/Ca determination. Journal of Paleolimnology, 36 (2). pp. 211-218. DOI https://doi.org/10.1007/s10933-006-9007-8

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Abstract

To evaluate the effect of sample preparation on the trace element composition of ostracod shells, fossil shells subjected to various cleaning steps were analyzed by ICP-AES. The variations in ostracod Mg/Ca ratios reveal that fossil ostracod samples cleaned by ultrasonic methanol yield lower values than those by other methods, including increasingly rigorous reductive cleaning. In our sample sets, shell Mg/Ca decreases ∼ ∼1.5 mmol/mol during clay removal. Sample Sr/Ca results do not seem to vary significantly under the equivalent cleaning steps. For ostracod analysis, pre-treatment using multiple methanol ultrasonic cleaning is suggested to be used for gaining an appropriate result.

Item Type: Article
Uncontrolled Keywords: 2006 AREP IA50 IA52 2006 P
Divisions: 01 - Climate Change and Earth-Ocean Atmosphere Systems
Journal or Publication Title: Journal of Paleolimnology
Volume: 36
Page Range: pp. 211-218
Identification Number: https://doi.org/10.1007/s10933-006-9007-8
Depositing User: Sarah Humbert
Date Deposited: 16 Feb 2009 13:02
Last Modified: 23 Jul 2013 10:07
URI: http://eprints.esc.cam.ac.uk/id/eprint/436

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