Carbon 14 radioactive dating done toll telephone dating service numbers
This method requires less than 1g of bone, but few countries can afford more than one or two AMSs, which cost more than A0,000.
Australia has two machines dedicated to radiocarbon analysis, and they are out of reach for much of the developing world.
While the lighter isotopes C has decayed that what remains can no longer be measured. In 5,730 years half of the C in the atmosphere, and therefore in plants and animals, has not always been constant.In addition, samples need to be thoroughly cleaned to remove carbon contamination from glues and soil before dating.