Indiana University Bloomington

Indiana Zinc & Stable Isotope Reference Materials

The Biogeochemical Laboratories distribute different types of Indiana Zinc that convert water-hydrogen to elemental hydrogen for the mass-spectrometric determination of D/H ratios. We also have available hydrogen, carbon, nitrogen and oxygen Organic Stable Isotope Reference Materials in the form of n-alkanes, n-alkanoic acid methyl esters, and other compounds for on-line irm-GCMS and TC/EA-MS stable isotope studies.


keywords: isotope standards, isotopic standard, carbon-13, nitrogen-15, oxygen-18, D/H, H/D, 13C, 2H, 15N, 18O