A three-ratio scheme for the measurement of isotopic ratios of silicon
- 1 March 1993
- journal article
- Published by National Institute of Standards and Technology (NIST) in Journal of Research of the National Institute of Standards and Technology
- Vol. 98 (2) , 225-229
- https://doi.org/10.6028/jres.098.017
Abstract
This paper proposes a scheme of measurement sequences that has been used for the redetermination of the molar mass (atomic weight) of silicon at the Central Bureau for Nuclear Measurements (now Institute for Reference Materials and Measurements). This scheme avoids correlations among the measured ratios caused by normalizing all ion current measurements to that of the largest ion current. It also provides additional information for checking on the consistency of these ratios within a cycle of scans. Measurements of isotope abundance ratios of silicon are used as an illustration.Keywords
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