The double spike toolbox

Rudge, John F. and Reynolds, Ben C. and Bourdon, Bernard (2009) The double spike toolbox. Chemical Geology, 265 (3-4). pp. 420-431. DOI 10.1016/j.chemgeo.2009.05.010

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Abstract

The double spike technique is a well established method for correcting for instrumental mass fractionation in mass spectrometry. The precision of the technique is controlled by the choices of double spike composition and the proportions in which the double spike and sample are mixed. To make these choices easier, we provide software ("the double spike toolbox") for calculating optimal double spikes, which are chosen purely on the basis of minimising error propagation. In addition, we provide "cocktail lists" of optimal double spikes for all 33 elements that have 4 or more naturally occurring isotopes, using some sensible default parameters. As examples, we discuss the application of the software to Fe, Pb, and Ca isotopes.

Item Type: Article
Uncontrolled Keywords: 09AREP; IA59
Subjects: 05 - Petrology - Igneous, Metamorphic and Volcanic Studies
Divisions: 02 - Geodynamics, Geophysics and Tectonics
Journal or Publication Title: Chemical Geology
Volume: 265
Page Range: pp. 420-431
Identification Number: 10.1016/j.chemgeo.2009.05.010
Depositing User: Sarah Humbert
Date Deposited: 24 Mar 2010 12:02
Last Modified: 23 Jul 2013 09:57
URI: http://eprints.esc.cam.ac.uk/id/eprint/1357

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