# pI = 6.5 # pH chg 0.00 2.76 0.50 2.37 1.00 2.14 1.50 2.02 2.00 1.93 2.50 1.76 3.00 1.43 3.50 0.97 4.00 0.52 4.50 0.22 5.00 0.08 5.50 0.03 6.00 0.01 6.50 0.00 7.00 0.00 7.50 0.00 8.00 0.00 8.50 -0.01 9.00 -0.04 9.50 -0.11 10.00 -0.29 10.50 -0.57 11.00 -0.83 11.50 -1.02 12.00 -1.23 12.50 -1.52 13.00 -1.81 13.50 -2.03 14.00 -2.27