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About the Lab

This Keck Lab was established with the intent to get scientists directly involved in all aspects of isotope ratio measurements. Far too often scientists accept results from external labs without the ability to evaluate the data quality for themselves. Additionally, direct knowledge of the analytical technique gives individuals a better idea of how to improve their sampling technique and how to incorporate other analyses into their research.

Research groups interested in using these facilities need to provide at least one person who will be trained to prepare and set up samples for analysis. This same person will be responsible for programming their sample sequence, carrying out the analysis, and will also process the results to get the final numbers. This is particularly important as it makes clear the role of the working standards, linearity checks, and estimations of analytical uncertainty. All of this will be supervised and all results obtained in the lab must be checked and approved (signed off) by the lab manager to ensure data quality.

There is still room for analyses for groups that only have a small number of samples to run. If you have special applications or interests, or only a couple of samples to run, please contact the lab manager.



The director of the Keck Lab is Everett Shock.

Dr. Gwyneth Gordon, manages all aspects of clean lab, general lab, and ICP use. Aside from her own work on the instruments she also provides training, maintenance and method development on the ICP instruments. All questions related to ICP analysis should be addressed to Dr. Gordon. Click here to contact her.


Dr. Anthony Michaud, was involved in the setup of the gas IRMS instruments, method development, webpage management, and laboratory infrastructure for the first three years of the lab. He left ASU on June 30th to pursue a different path at UC Davis school of medicine. May he find plenty of wind and water wherever he ends up!



Other items:

Pictures  (Some pictures from the lab)


Infrastructure (some comments on our air supply and how to monitor the air handler status)



Page last updated: May 20, 2007

Contact us :

Address: Physical Sciences F-686 Box 1404 Arizona State University Tempe, AZ 85287-1404
Tel: 480-727-8033 Fax: 480-965-8102 E-mail:

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