Carbon dating how much
Two common contaminants are humic acid, which can be removed with an alkali wash, and carbonates, which can be removed with acid.
These treatments can damage the structural integrity of the sample and remove significant volumes of material, so the exact treatment decided on will depend on the sample size and the amount of carbon needed for the chosen measurement technique.
I have tried here to answer some of the frequently asked questions that I receive from students via email, as well as providing some basic information about scientific dating methods.
However, this can reduce the volume of the sample down to 20% of the original size, so testing of the whole wood is often performed as well.
All samples, to be analyzed, should be clean, dry, bagged, and labeled C-14 Sample submission form & details, should be filled out printed, and posted with the samples).