8B: Iron Triad Flashcards
1st triad:
Fe, Co, Ni (Valence: +2, +3)
2nd Light triad
Rh, Ru, Pd*
3rd Heavy Triad:
Os, Ir, Pt*
Pd or Pt converting alkyne/alkene into alkane
lindlar catalyst
Ferrum
Iron
Catalyst in finely divided steel
Pd, Pt
Common ores of iron
- hematite
- pyrite
- Iron stone
(Fe2O3)
Hematite
Most important element in engineering
Iron
Physiologic iron
Fe^2+
Fool’s gold (native FeS2)
pyrite
FeCO3 in Chalybeate pills/ferrunginous pills
iron stone
Fe in the blood
hemoglobin
Iron present in protein
- hemoglobin
- transferrin
- ferritin
transport form of the Fe in the body
Transferrin
storage form of Fe in the body
Ferritin
Cytochrome oxidase
(Fe and Cu)
uses of iron
Hematinic
Iron is treatment for:
microcytic, hypochromic anemia (IDA) (FeSO4)
Toxicity of Iron
- GIT distress
- cardiac collapse
antidote for
- GIT distress
- cardiac collapse
Deferroxamine
Iron forms
- Cast/pig iron
- Wrought Iron
- Cementite/ white cast Iron
- Gray cast Iron/ graphite scales
Best known hypothesis of Fe absorption in Duodenum
Mucosal block postulation by Hahn
from blast furnace (92-94% Fe)
Cast/pig iron