Isotope Ratio Mass Spectrometry  Facilities 

Periodic Table Snapshot

Instrument #1 - GRAVITAS

GRAVITAS is a Thermo Scientific Delta V Advantage mass spectrometer coupled with a Costech ECS 4010 elemental analyzer via a Conflo IV gas interface. Its primary task is to provide high-throughput, coupled measurements of carbon and nitrogen stable isotope ratios. With GRAVITAS we are also capable of measuring sulfur stable isotopes from SO2 gas, however, we only do so on a limited basis.


Instrument #1 Complete

Instrument #2 - ORACLE

ORACLE is a Thermo Scientific Delta V Advantage mass specrometer coupled directly to a Thermo Gasbench II and a Thermo TC/EA via a Conflo IV gas interface. Its primary task is to provide high-throughput measurements of hydrogen and oxygen stable isotopes as well as carbon and oxygen stable isotope from carbonates. ORACLE also has a dual inlet which is currently set up for high precision stable isotope analysis of N2, CO2, and H2 gases. The dual inlet is used only for externally prepared or special need applications.


Instrument #2 Complete

Costech EA Autosampler

Contact

For further information regarding the Smithsonian Institution OUSS/MCI  Stable Isotope Mass Spectrometry Facility please contact Peter Marra or Christine France.

Shipping Address - 4210 Silver Hill Road, Suitland, Maryland 20746                                            Laboratory Phone - 301.238.1262


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