Table 5: Summary of apparent activation energy (, kJ mol-1) values estimated from the various methods in this work.

MethodsType IType IIType III

Pre-exposure
Friedman225.30225.60224.69
Kissinger225.36226.90226.51
Flynn-Wall-Ozawa103.75103.77103.83

Accelerated weathering
Friedman225.21225.39224.07
Kissinger227.15226.90225.96
Flynn-Wall-Ozawa103.89103.70103.77

Soil burial
Friedman184.68185.57171.63
Kissinger151.95184.18177.68
Flynn-Wall-Ozawa86.6489.3886.97