Radioactive carbon dating of fossils


25-Oct-2020 15:47

Liquid scintillation counting is another radiocarbon dating technique that was popular in the 1960s.In this method, the sample is in liquid form and a scintillator is added.

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The use of various radioisotopes allows the dating of biological and geological samples with a high degree of accuracy.

Over the years, other secondary radiocarbon standards have been made.

Radiocarbon activity of materials in the background is also determined to remove its contribution from results obtained during a sample analysis.

When the stocks of Oxalic Acid I were almost fully consumed, another standard was made from a crop of 1977 French beet molasses.

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The new standard, Oxalic Acid II, was proven to have only a slight difference with Oxalic Acid I in terms of radiocarbon content.This scintillator produces a flash of light when it interacts with a beta particle.