Radiocarbon dating sample preparation

Charcoal, wood, most peat, and textiles typically undergo the acid-alkali-acid AAA method before radiocarbon dating. Received 14 April ; accepted 5 May Charcoal is often crushed in a petri dish. If your sample is from a desert environment for example, the alkali steps may be omitted to retain sample mass. Sample Selection — Available material may exist in several forms: Generally, if it is black or blue there is a good chance charred collagen is available for AMS dating. However, if drying is not possible e.

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Bones that have undergone sufficient high-temperature heating to char the collagen without removing it.

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Sample Contamination and Pretreatment

Shipping Recommendations and Addresses. Artificial contamination refers to the introduction of contaminants by man during the collection, field conservation, or packaging of the samples. Keep the temper- Chamberlain et al. This is then converted to lithium carbide, and then to acetylene, and finally to benzene. We recommend you dry the sample before shipping to avoid any mold or mildew growth. If possible it is best to choose the pieces that have undergone the least heating. For small samples, please consult us for discussion.

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3 thoughts on “Radiocarbon dating sample preparation

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