Water zones l Zone I – strongly absorbed – Not able to serve as solvent – Behaves as part of the solid l Monolayer moisture – Boundary of zones I and II – Water that is strongly bound to the highly polar groups of dry matter – Constitutional and vicinal l Zone II – Occupies the remaining layers around hydrophilllic groups – Multilayer water: associates with neighboring molecules by w-w w-s hydrogen bonding l Zone III (Bulk-phase water) – Least strongly bound and most mobile (molecularly) – Freezable – Available as solvent – Allow chemical reactions & microbial growth – > 95% of total waterWater zones l Zone I – strongly absorbed – Not able to serve as solvent – Behaves as part of the solid l Monolayer moisture – Boundary of zones I and II – Water that is strongly bound to the highly polar groups of dry matter – Constitutional and vicinal l Zone II – Occupies the remaining layers around hydrophilllic groups – Multilayer water: associates with neighboring molecules by w-w w-s hydrogen bonding l Zone III (Bulk-phase water) – Least strongly bound and most mobile (molecularly) – Freezable – Available as solvent – Allow chemical reactions & microbial growth – > 95% of total water