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#1 Federal
Standard and conventional atomic weights 2016 abridged to four significant digits
- Organization: Department of the Interior
- Dataset Last Updated: September 08, 2022 at 12:00 AM
2016 four-figure standard and conventional atomic weights of the chemical elements
- xml
- xml
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 09:58 PM
#2 Federal
Table of standard atomic weights of the elements 2015
- Organization: Department of the Interior
- Dataset Last Updated: August 31, 2020 at 12:00 AM
Standard atomic weights of the elements 2015
- xml
- xml
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 08:19 PM

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