Abstract
IT is with considerable surprise, as a chemist, that I see in NATURE of April 22, p. 230, arguments as to the structure of atoms based on the deviations of the atomic weights of elements from whole numbers on the standard O = 16.00 The reasons for the use of this arbitrary and inconvenient standard are now matters of ancient history, and the values of Stas, which were regarded as fundamental at the time when the standard was adopted, have now been shown by many independent lines of experiment to be inexact. It is almost pathetic to observe modern experimenters who have determined equivalents by the accurate analysis of hydrogen compounds, such as hydrogen chloride, methane, hydrogen bromide, ammonia, etc., all of which are more easily obtained in a state of purity, and analysed, than oxygen compounds, compelled to multiply their results by 1.008 in order to bring them into line with the standard of O = 16.00.
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PARTINGTON, J. The Standard of Atomic Weights. Nature 105, 264 (1920). https://doi.org/10.1038/105264a0
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DOI: https://doi.org/10.1038/105264a0
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