Radiocarbon Samples: Chemical Removal of Plant Contaminants

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Science  18 Mar 1966:
Vol. 151, Issue 3716, pp. 1391-1392
DOI: 10.1126/science.151.3716.1391


Roots and similar plant matter can be efficiently removed from charcoal samples by nitration and acetone leaching after preliminary removal of humic acids and lignin by standard procedures.