Stable Isotope Rates

Main Content

We offer C, H, N and O stable isotope analysis (as well as elemental weight percent) from a variety of organic and inorganic matrixes. Rates are for academic users. For specific sample preparation details, contact Mandy Rothert, M.S.. Costs of Analyses (as of July 1, 2021).

Stable Isotope Rates for SIU Mass Spectrometry Facility
Stable Isotope, Sample Method Academic User External Academic User Non-Academic User
δ 13C OR δ 15N, solid organic or inorganic CF-EA-IRMS $8.00 $13.00 $25.00
δ 13C AND δ 15N, solid organic or inorganic CF-EA-IRMS $10.00 $15.00 $25.00
δ 18O OR δ 2H, solid organic or inorganic CF-TCEA-IRMS $11.00 $16.00 $30.00
δ 18O AND δ 2H, solid organic or inorganic CF-TCEA-IRMS $15.00 $20.00 $30.00
δ18O OR δ2H, liquid injection CF-TCEA-IRMS $15.00 $20.00 $40.00
δ 18O AND δ 2H, liquid injection CF-TCEA-IRMS $19.00 $24.00 $40.00
δ 18O OR δ 13C, carbonates Gas Bench-IRMS $9.50* $13.00* $30.00*
δ 18O AND δ 13C, carbonates Gas Bench-IRMS $11.50* $15.00* $30.00*
δ18O, water equilibration Gas Bench-IRMS $16.00 $21.00 $35.00

* includes $1.50 for phosphoric acid digestion by facility personnel