Fig. 14

The pore volume - pore diameter and pore specific surface area - pore diameter distribution diagrams of active FeS and passivated FeS samples. (a-d) The pore volume - pore diameter diagrams of active FeS, B8(3% passivator, 8 h), C8(6% passivator, 8 h), D8(9% passivator, 8 h). (e-h) The pore specific surface area - pore diameter distribution diagrams of active FeS, B8(3% passivator, 8 h), C8(6% passivator, 8 h), D8(9% passivator, 8 h).