Isotope-abundance variations and atomic weights of selected elements: 2016 (IUPAC Technical Report)
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Abstract
There are 63 chemical elements that have two or more isotopes that are used to determine their standard atomic weights. The isotopic abundances and atomic weights of these elements can vary in normal materials due to physical and chemical fractionation processes (not due to radioactive decay). These variations are well known for 12 elements (hydrogen, lithium, boron, carbon, nitrogen, oxygen, magnesium, silicon, sulfur, chlorine, bromine, and thallium), and the standard atomic weight of each of these elements is given by IUPAC as an interval with lower and upper bounds. Graphical plots of selected materials and compounds of each of these elements have been published previously. Herein and at the URL http://dx.doi.org/10.5066/F7GF0RN2, we provide isotopic abundances, isotope-delta values, and atomic weights for each of the upper and lower bounds of these materials and compounds.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Isotope-abundance variations and atomic weights of selected elements: 2016 (IUPAC Technical Report) |
| Series title | Pure and Applied Chemistry |
| DOI | 10.1515/pac-2016-0302 |
| Volume | 88 |
| Issue | 12 |
| Publication Date | January 06, 2017 |
| Year Published | 2016 |
| Language | English |
| Publisher | De Gruyter |
| Contributing office(s) | National Research Program - Eastern Branch |
| Description | 22 p. |
| First page | 1203 |
| Last page | 1224 |