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Updated: Jun 28, 2026

Preparation of Authigenic Pyrite from Methane-bearing Sediments for In Situ Sulfur Isotope Analysis Using SIMS
Published on: August 31, 2017
Validation of the sulphur concentration of selected iron-base NBS standard reference materials by isotope-dilution
R W Burke1, P J Paulsen, E J Maienthal
1National Bureau of Standards, National Measurement Laboratory, Center for Analytical Chemistry, Washington, DC 20234, U.S.A.
Abstract:
An isotope-dilution spark-source mass-spectrometric procedure has been developed for the accurate determination of sulphur in iron-base alloys. Dissolution in a sealed tube is used to prevent volatilization losses and to effect isotope equilibration. Application of this technique to the re-analysis of existing NBS Standard Reference Materials yields results that are generally in good agreement with the certified values.
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