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#1 Federal
Tables and charts for isotope-abundance variations and atomic weights of selected elements: 2016 (ver. 1.1, May 2018)
- Organization: Department of the Interior
- Dataset Last Updated: July 22, 2026 at 12:00 AM
Twelve chemical elements have intervals for their standard atomic weights, namely hydrogen, lithium, boron, carbon, nitrogen, oxygen, magnesium, silicon, sulfur, chlorine, bromine and thallium....
- xml
- xml
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 03:37 AM
#2 Federal
Tables supporting optimization of on-line hydrogen stable isotope-ratio measurements of halogen- and sulfur-bearing organic compounds using elemental analyzer-chromium/high-temperature conversion-isotope-ratio mass spectrometry
- Organization: Department of the Interior
- Dataset Last Updated: August 31, 2020 at 12:00 AM
Tabular data demonstrates the performance of a modified reactor setup that enables high-quality hydrogen isotopic analysis of halogen- and sulfur-bearing organics with a modified elemental...
- xml
- xml
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 05:28 AM

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