Time (nm),lnAt/Ao, 0,0,0 1,-0.01778,-0.02778 2,-0.03787,-0.05787 3,-0.01937,-0.020937 4,-0.06572,-0.12572 5,-0.12144,-0.12144 6,-0.10983,-0.12983 7,-0.13549,-0.13549 8,-0.21822,-0.21822 9,-0.20818,-0.23818 10,-0.229,-0.229