C in nature and its use for dating was first demonstrated by Willard Libby (1946) who received the Nobel Prize in chemistry for his investigations.
The radiocarbon dating method is generally suitable for age determination up to 50,000 years.
C dating service is for samples yielding at least 0.5 mg of carbon after chemical pretreatment (often acid-alkali-acid treatment of organic material).
The precision of radiocarbon dates for recent samples (younger than 2000 years) is better than 0.4% which equals /-35 years for the 1-σ statistical uncertainty of the measured age.
Ricardo Fernandes Max Planck Institute for the Science of Human History. Thomas Larsen Leibniz-Laboratory for Radiometric Dating and Isotope Research (University of Kiel) Isotope ecologist specializing in reconstructing animal diets using compound specific isotope analysis. (2008a) Aust Arch 1: A database of 14C and luminescence ages from archaeological sites in the Australian Arid Zone. Email: [email protected] are an active research Group that focuses on the application of stable isotope methods to questions of past hominin (including human) and faunal diet, ecology, and environment.
top Please email the data sheet and table to: [email protected] At the start of sample processing, each organic sample and most carbonate samples are inspected under a light microscope where recognizable organic fragments (charcoal, wood, seeds, leaves, pollen, etc.) are selected for dating and contaminants such as rootlets, clothing fiber or hair are removed.
In-house research and development have been primarily directed at optimising existing sample preparation procedures, developing new ones, and extending the limits of the method.
The Stable Isotope Laboratory offers the possibility to analyse the composition of stable isotopes in carbonates (C in dissolved inorganic carbon).
Approximate sample sizes required for the AMS Please contact us before sending these samples.
* Sample size of dry peat; more material is required if the mineral content is high or the peat is decomposed. The precision of radiocarbon dates for recent samples (younger than 2000 years) of “normal” sample size (1-2 mg of carbon) is better than 0.5% (typically 0.3 - 0.4%) which equals /-40 years (25 - 30 years) for the 1-σ statistical uncertainty of the measured age.