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To obtain a truly absolute chronology, corrections must be made, provided by measurements on samples of know age.
The most suitable types of sample for radiocarbon dating are charcoal and well-preserved wood, although leather, cloth, paper, peat, shell and bone can also be used.
Upon reaching the earth’s surface, a small percentage of carbon-14 containing carbon dioxide is taken up by plants and then incorporation into plant biomolecules via photosynthesis.After we have discussed your samples and the analytical requirements, complete and submit one sample submission form per sample. Peabody Drive Natural Resources Building University of Illinois Urbana-Champaign Champaign, IL 61820To avoid contamination of the sample prior, during, and after shipment please ensure: C tracer to avoid contamination of samples and laboratory spaces.Shipments must include an inventory list of samples with the name and address of the shipper. For further information, please see Swipe Protocol (compiled by the University of Irvine AMS facility) for more information on the swipe methods and procedures.If any organizations or other pertinent information has been inadvertently excluded please contact MCI.Since 1968, the ISGS Radiocarbon Dating Laboratories have provided high quality sample preparation and analytical services to University of Illinois staff and researchers, as well as, external researchers and the public.