Physical and chemical pretreatments are done on these materials to remove possible contaminants before they are analyzed for their radiocarbon content.
The radiocarbon age of a certain sample of unknown age can be determined by measuring its carbon 14 content and comparing the result to the carbon 14 activity in modern and background samples.
Above Left: It can be interfaced with a molecular sieve to trap CO catalyst column is activated at 250ºC under vacuum before trimerization and benzene is extracted at 80 ºC under vacuum for LSC analysis.
Above Left: Wallack 1220 Quantulus™ Ultra Low Level Liquid Scintillation spectrometer.
Please read our pages on sample weight requirements, and if you are unsure about the suitability of your sample please contact us.
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It also provides a safe combustion vessel for samples with high volatile content such as nutshell and fresh wood.
Above Right: It can be interfaced with a, large combustion vessel capable of processing up to 4 kg sediments, and can be interfaced with an acidification apparatus for carbonate dating including up to 5 gallon water for DIC.
A vial with a sample is passed between two photomultipliers, and only when both devices register the flash of light that a count is made.
Accelerator mass spectrometry (AMS) is a modern radiocarbon dating method that is considered to be the more efficient way to measure radiocarbon content of a sample.