-counting method) or by directly counting the radiocarbon atoms using a method called Accelerator Mass Spectrometry (AMS).Measurement of the radioactivity of the sample works very well if the sample is large, but in 9 months less than 0.01% of the radiocarbon ions will decay, so in a reasonable measurement time (typically a few weeks) only a very small proportion of the radiocarbon atoms are detected by this method.The dating of groundwater is performed by DIC (dissolved inorganic carbon) pretreatment.ICA recommends a minimum of 1 liter per sample to be sent for analysis.ICA offers an unique combination of affordability, quality, and fast turnaround that is unmatched.ICA does not apply a fee if a date cannot be generated. It is recommended that a minimum of 10 mg be sent for analysis.The program can be used for calibration of dates using the Int Cal curves or post-bomb data.
National Geophysical Data Center Paleoclimatology Home Page.
ICA opened its doors in 2013 to help satisfy the growing need for affordable radiocarbon dating analysis with a fast turn-around.
Since opening, ICA has dated thousands of carbon-14 samples for hundreds of clients from all over the world.
One site, many major programs: CALIB, Marine Reservoir Correction, CALIBomb, Int Cal13, SHCal13, Int Cal09. This is an online radiocarbon calibration program with downloadable versions for Windows and Mac platforms.
Arizona AMS lab https://ams.arizona.edu/radiocarbon GNS Science AMS lab https:// Arizona Tree Ring Lab leave a comment at the bottom of the page to report errors or suggest links.) CALIB Home Page.
AMS, on the other hand, can in principle detect a much higher proportion (typically about 1% of the total) allowing sample sizes to be smaller by a factor of about a thousand.