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Isotopic Analyses via Multi-Collector Inductively Coupled Plasma Mass Spectrometer

at the LAMONT DOHERTY EARTH OBSERVATORY - AMERICAN MUSEUM OF NATURAL HISTORY ICPMS LAB

 

axiom
The Axiom is equipped with 8 faraday cups in addition to its axial faraday cup. It also has an extended high mass faraday cup for isotopic analyses with large mass ranges, such as U-Pb or Li.

The Axiom was installed in 1999 under the direction of Dr. Steve Goldstein. It is currently used primarily for Nd, Hf and Pb isotopic analyses. These samples have been processed through the appropriate separatory columns. We routinely get less than 20ppm precision on Nd and Hf and less than 100ppm for Pb.

 

We are in the process of acquiring a new MC-ICPMS. This new instrument will enable us to measure isotopic ratios using our laser ablation system