And then let's say we go into a time machine and we look back at our sample, and let's say we only have 10 grams of our sample left. Chemical Geology. The sequence can be compared to the calibration curve and the best match to the sequence established. Bispectrum of 14 C data over the last years" PDF. There was initial resistance to these results on the part of Ernst Antevsthe palaeobotanist who had worked on the Scandinavian varve series, but his objections were eventually discounted by other geologists.
In addition, anticoincidence detectors are used; these record events outside the counter, and any event recorded simultaneously both inside and outside the counter is regarded as an extraneous event and ignored. Well I now am left with five grams of carbon