Concentration Length Conc0 19.58 Conc0 18.75 Conc0 19.14 Conc0 16.50 Conc0 17.93 Conc5.6 18.26 Conc5.6 16.25 Conc5.6 16.39 Conc5.6 18.70 Conc5.6 15.62 Conc10 13.31 Conc10 18.92 Conc10 15.62 Conc10 14.30 Conc10 15.29 Conc18 18.59 Conc18 12.88 Conc18 16.28 Conc18 15.38 Conc18 19.75 Conc32 12.54 Conc32 10.67 Conc32 15.95 Conc32 12.54 Conc32 11.66