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Carbon and nitrogen isotope ratio analysis is a workhorse measurement in Earth and Ocean Sciences, with rapidly expanding application in Ecology and Evolutionary Biology research. These are measured with a CN Elemental Analyzer (CN-EA). Routine sample types at UCSC SiL vary widely and include animal tissues, plant and macroalgae tissues, soils, and sediments. UCSC SiL measures >100 CN-EA samples daily.
Guidelines for preparing CN-EA samples including how to document, package, and ship samples to UCSC SiL for analysis.
Form for submitting samples for analysis.
Check the analysis page for a current estimated wait time to begin sample measurements.
Typical precision (1σ):
≤ 0.1 ‰ VPDB for δ13C≤ 0.2 ‰ AIR for δ15N
CN-EA-iRMS measurements from UCSC SiL have outstanding external accuracy.
A guide to the results you will receive from CN-EA-iRMS measurements.
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