How Does Carbon Dating Work
Therefore half of the Carbon has decayed after years. The point where this horizontal line intersects the curve will give the calendar age of the sample on the horizontal axis. Measuring the amount of carbon - 14 in a sample today can tell you how long ago the thing died and therefore the age of the sample. This amount is small. Animals take in carbon when they eat food because food contains carbon. Contamination with modern carbon causes a sample to appear to be younger than it really is: Beta Analytic does not accept pharmaceutical samples with "tracer Carbon" or any other material containing artificial Carbon to eliminate the risk of cross-contamination.