Radioactive carbon dating of fossils
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.
So in order to date most older fossils, scientists look for layers of igneous rock or volcanic ash above and below the fossil.
Play a game that tests your ability to match the percentage of the dating element that remains to the age of the object.
The universe is full of naturally occurring radioactive elements.
When the stocks of Oxalic Acid I were almost fully consumed, another standard was made from a crop of 1977 French beet molasses.
The new standard, Oxalic Acid II, was proven to have only a slight difference with Oxalic Acid I in terms of radiocarbon content.
By knowing how much carbon 14 is left in a sample, the age of the organism when it died can be known.