Table 8 Leaching availability of inorganic component and ANC of CCPU
Item | CCPU- 1 | CCPU- 2 | ||
|---|---|---|---|---|
Leaching Availability (mg kg−1) | Leaching mass fraction (%) | Leaching Availability (mg kg−1) | Leaching mass fraction (%) | |
Al | 351 | 0.71 | 243 | 0.59 |
Ca | 410 | 0.59 | 325 | 0.48 |
Cd | ND | < 0.01 | ND | < 0.01 |
Co | 0.151 | 0.24 | 0.23 | 0.19 |
Cr | 0.07 | < 0.01 | 0.08 | < 0.01 |
Cu | 0.28 | < 0.01 | 0.35 | < 0.01 |
Fe | 211 | 0.85 | 230 | 0.59 |
K | 2.8 | 0.36 | 3.1 | 0.27 |
Mn | 0.25 | 0.05 | 0.53 | 0.03 |
Mg | 32.4 | 0.41 | 28.5 | 0.41 |
Na | 18.5 | 0.46 | 23.4 | 0.38 |
Ni | 0.13 | 0.03 | 0.08 | < 0.01 |
Pb | 0.05 | 0.04 | 0.07 | 0.05 |
Si | 20.5 | < 0.01 | 11.8 | < 0.01 |
Zn | 0.75 | 0.04 | 0.95 | 0.07 |
ANC (mol kg−1) | 1.93 | 1.85 | ||