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Important Note on Pretreatment – It is important to understand the pretreatments which are going to be applied to samples since they directly affect the final result.You are welcome to contact us to discuss the pretreatment or request that we contact you after the pretreatment (and prior to dating).

Bones, shells, wood, charcoal, peat, linen, wool, and parchment are the common materials submitted for radiocarbon testing.In general, infinite-age contamination can make a sample considerably older while modern contamination can make the sample significantly younger than its true age.Regardless of the carbon dating methodology employed, be it radiometric dating or the accelerator mass spectrometry (AMS) method, a process must be done before analysis to get rid of all possible contaminants. Radiocarbon dating labs receive various materials for analysis but not all portions of the samples can be used.Materials such as charcoal, wood, peat, and textiles typically undergo the acid-alkali-acid (AAA) method before radiocarbon dating.Learn more Materials such as sediments and soils typically undergo acid washes (no alkali) before radiocarbon dating.

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