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The reliability of the (standard) atomic weight (mean atomic mass) values is quantified, based on the analysis of changes made from published improved measurements as they become available for each periodic evaluation. This numerical analysis tests the evaluation procedures and the current reliability of the tables published by the International Union of Pure and Applied Chemistry. One instance of faulty evaluation is highlighted. The post facto test of past performance of evaluations might, under appropriate conditions, also serve for other data sets such as the fundamental constants of physics or property data for pure elements.

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Authors: DE BIEVRE P, JRC Geel (BE);KU H H, JRC Geel (BE);PEISER H S, JRC Geel (BE)
Bibliographic Reference: Article: Journal of Physical Chemistry Reference Data, Vol. 23 (1994) No. 3, pp. 509-513
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