Absolute isotopic abundance and the atomic weight of a reference sample of thallium

1 January 1980

journal article
Published by National Institute of Standards and Technology (NIST) in Journal of Research of the National Bureau of Standards

Vol. 85 (1), 1-10
https://doi.org/10.6028/jres.085.001

Abstract

The accepted atomic weight of thallium has remained at a value of 204.37 ± 0.03 since 1962. At this level of uncertainty, however, the atomic weight becomes a limiting factor to high accuracy analysis.

Keywords

ABSOLUTE RATIOS
ATOMIC WEIGHT
ISOTOPIC ABUNDANCE
REFERENCE STANDARD
THALLIUM
THALLIUM CHROMATE

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