Radiocarbon dating sample size
When the C14 method was originally developed, Libby and his research team had to assume that the ratios of the carbon isotopes they were measuring had been altered only by 14C decay (Taylor, 1987:3) and that the sample material accurately represented the event to be dated.
Sample materials deposited in archaeological or geological contexts seldom remain in pristine condition, of course, they are often degraded and altered chemically.
Although it may be seen as outdated, many labs still use Libby's half-life in order to stay consistent in publications and calculations within the laboratory.
From the discovery of Carbon-14 to radiocarbon dating of fossils, we can see what an essential role Carbon has played and continues to play in our lives today.
In 1960, Libby was awarded the Nobel Prize in chemistry for this work.
He demonstrated the accuracy of radiocarbon dating by accurately estimating the age of wood from a series of samples for which the age was known, including an ancient Egyptian royal barge dating from 1850 BCE.
Radiocarbon dating is used in many fields to learn information about the past conditions of organisms and the environments present on Earth.
The entire process of Radiocarbon dating depends on the decay of carbon-14.
This process begins when an organism is no longer able to exchange Carbon with their environment.
Carbon-14 is first formed when cosmic rays in the atmosphere allow for excess neutrons to be produced, which then react with Nitrogen to produce a constantly replenishing supply of carbon-14 to exchange with organisms.
LIMITATION OF DAMAGES: While we do everything we can to process all samples with care, samples can be lost at any stage of the process.