序号

0.05 mol/L

0.1 mol/L

0.2 mol/L

0.5 mol/L

RSD

CEC (cmol/kg)

CEC (cmol/kg)

CEC (cmol/kg)

CEC (cmol/kg)

1

14.5

13.3

14.1

14.4

3.86%

2

25.0

24.1

26.1

25.8

3.55%

3

40.4

39.1

38.8

39.6

1.77%