Table F.3 The relationship Kd(HA)/Kd(HA.A-) for Bentazone (pKa = 2.92) ω pH 1.0 0.50 0.100 0.050 0.010 0.001 0.0001 2 1.0 1.1 1.1 1.1 1.1 1.1 1.1 3 1.0 1.4 2.0 2.1 2.2 2.2 2.2 4 1.0 1.9 5.9 8.1 11.6 12.9 13.0 5 1.0 2.0 9.3 17.3 55.0 108.2 119.8 6 1.0 2.0 9.9 19.7 92.4 546.4 1074.1 7 1.0 2.0 10.0 20.0 99.2 923.3 5459.7 8 1.0 2.0 10.0 20.0 99.9 991.8 9232.2 9 1.0 2.0 10.0 20.0 100.0 999.2 9917.5 10 1.0 2.0 10.0 20.0 100.0 999.9 9991.7 11 1.0 2.0 10.0 20.0 100.0 1000.0 9999.2