Ferrous materials and paper recycling, and, to a lesser extent, plastic, are a well-established business in the region.
These probably represent the maximum values since partial re-equilibration between the ferrous and ferric species during separation will yield lower measured fractionations.
At this stage, for each three moles of ferrous iron supplied by olivine, one mole of hydrogen forms.
Ferrous ions detected in iron-overloaded cord blood plasma from preterm and term babies: implications for oxidative stress.
Iron-rich olivines have both reasonably fast reaction rates and contain ferrous iron in a solid-solution between the two olivine end-members fayalite (iron) and forsterite (magnesium).
Moreover, the assumption that the ferrous iron is only oxidized by oxygen is likely to fail when nitrate is present in appreciable amounts.
Ferrous sulphate in a hydrocolloid matrix preparation (gastric delivery system) is associated with fewer side effects because of the slower release of iron ions.
This may lead to a reduced activity of the ferrous iron and less consumption of oxygen by reaction (2).
