共轭体系缓冲容量的特点: (1)Bxc,c增大,增大 (2)[H+]=Ka(pH=pK)Hf, Bmax =0.575c (3)缓冲范围:pK8-1<pH<pK2+1 pKa-1 X1=0.9,X0=0.1 B=0. 36Bmax pK+1x1=0.1,x=09B=0.36anx pK3±20.90.0 B=0.04Bmax4 共轭体系缓冲容量的特点： （1）∝c, c增大, 增大 （2）[H+ ] = Ka (pH=pKa )时,  max = 0.575c （3）缓冲范围: pKa -1 < pH < pKa+1 pKa -1 x1=0.9, x0=0.1 =0.36max pKa+1 x1=0.1, x0=0.9 =0.36max pKa±2 0.99, 0.01 =0.04max