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| More About ENRI-SIL |
| The Environment Natural Resources Institute – Stable Isotope Laboratory (ENRI-SIL) on the University of Alaska, Anchorage campus, is an analytical facility established as a University education, research, training and service unit. Daily operations are conducted by the research analyst and manager, Brian Cohn with supervision provided by Dr. Derek Sjostrom. The laboratory director is Dr. Jeff Welker. The facility trains undergraduate and graduate students in mass spectrometer techniques and isotope geochemistry and assists in teaching a graduate course on isotope biogeochemistry. Both graduate and undergraduate students assist and gain hands on experience by helping in daily operations. |
The facility provides access to technologically advanced instrumentation for analyzing the stable isotope composition of a diversity of natural samples (plant, animal, soil, sediment, water, and atmospheric gases). Additionally, the facility provides space for sample preparation prior to analysis. The facility also serves as a research and training center for graduate, undergraduate, and faculty from an collection of disciplines at UA, Anchorage (e.g., Biology, Geology and Geochemistry, Chemistry, and Microbiology). |
| The state-of–the-art equipment housed in the facility serves a broad range of student, post-doc and faculty needs in the sciences both on and off campus. In addition, there are several off-campus users including the USGS and National Park Service. |
Located in room 125 Science Building (#15 on campus map) , the ENRI-SIL provides the campus community with the resources to provide stable isotope analyses performed by the lab's gas phase isotope ratio mass spectrometer (IRMS); the mass spectrometer has the capabilities of analyzing the isotopic composition of hydrogen, carbon, oxygen, nitrogen and sulfur in biological and geological samples, gases (biogenic and atmospheric) and water. In addition, to the instrument laboratory, ENRI houses a fully equipped sample extraction and preparation laboratory for handling a full range of sample types. |
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