A method for determining boron diffusion coefficients in wood
J-B Ra, H M Barnes
The radial unsteady-state diffusion coefficient for boron in southern yellow pine (Pinus spp.) was determined from measured concentration profiles using Egner's solution, a modified form of Fick's second law. The method uses a slicing technique to accurately determine concentration gradients with time in a single direction. The methodology should be applicable to any diffusible system.
Keywords: BORON; DIFFUSION; SOUTHERN YELLOW PINE; EGNER'S METHOD; FICK'S SECOND LAW