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University of California
Stable Isotope Laboratory
Earth and Planetary Sciences
1156 High Street Santa Cruz, CA 95064

Lab: (831) 459-5751
Office: (831) 459-5857
Fax: (831) 459-3074


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Instruments Live!

Kiel Live Data
Dick Tracy Live Data
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EOP STEM Transfer Weekend 2018

UCSC-SIL Undergraduate Reseach Grants


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UCSC SIL History


EH&S Lab Safety

Lab Safety Manual
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UCSC Stable Isotope Laboratory Overview

University of California Santa Cruz Stable Isotope Laboratory (SIL) was established in 1994 with two Fisons Dual-Inlet isotope ratio mass spectrometers (the Optima and Prism III) equipped with automated common acid bath carbonate devices. This lab has been under the direction of PI's Christina Ravelo and Jim Zachos since its inception. In 1996, Paul Koch added a continuous flow Elemental Analyser system to the Opitma and assumed a co-director role. To date, these instruments have generated over 95,000 analyses.

In January of 2006 three new Thermo-Finnigan Delta+XP continuous flow mass spectrometer systems were installed in the SIL. This facility was funded by a Major Research Instrumentation (MRI) grant involving the National Science Foundation, the UCSC Physical and Biological Sciences Divsion, and the UCSC Vice Chancellor of Research. This new facility offers greatly expanded research capabilities to scientists at research institutions which rim the Monterey Bay Crecent. UCSC faculty Christina Ravelo, Raphe Kudela and Matt McCarthy (Ocean Sciences), and Paul Koch (Earth and Planetary Sciences) are the primary directors of this new facility.

In October of 2009, our trusty Optima was retired from service to make room for a new instrument. In November 2009, a ThermoFisher MAT253 isotope ratio mass spectrometer, coupled to a Kiel IV automated carbonate device was installed and shortly thereafter brought into regular service.