Radiometric dating services
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Radiocarbon dating: radioactive carbon decays to nitrogen with a half-life of 5730 years.
Before pretreatment, bone and tooth samples are analyzed for total nitrogen content (%N) and total carbon content, to assess their suitability for radiocarbon dating.
Samples containing less than 0.1% nitrogen are less likely to provide reliable radiocarbon ages, as are samples with initial C: N ratios greater than about 11.
Above Left: The pyrolysis-combustion system is unique, which partitions total organic carbon into low and high molecular weight organic compound groups for dating.
It also provides a safe combustion vessel for samples with high volatile content such as nutshell and fresh wood.
The cellulose extraction service isolates and analyzes only the holocellulose fraction of the wood for analysis.