The standard atomic weights of twelve elements having two or more stable isotopes have variability of atomic-weight values in natural terrestrial materials. |
The Commission on Isotopic Abundances and Atomic Weights (CIAAW) is an international scientific committee of IUPAC under its Inorganic Chemistry Division. |
4 мая 2022 г. · The standard atomic weight value, “[39.792, 39.963]”, is given as a lower and upper bounds within square brackets “[ ]”. The single atomic- ... |
23 окт. 2024 г. · IUPAC has revised the standard atomic weights of lutetium, gadolinium and zirconium based on recent evaluations of their terrestrial ... |
1 апр. 2016 г. · Abstract: Standard atomic weights are widely used in science, yet the uncertainties associated with these values are not well-understood. |
The world authority on the atomic weights of chemical elements. |
5 июн. 2018 г. · The standard atomic weights of argon and iridium have been changed based on recent determinations and evaluations of terrestrial isotopic abundances. |
Standard atomic weights are CIAAW recommended values for atomic weights applicable to all normal materials. Since 1902, the Commission regularly publishes ... |
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