| 31. | Hematite, an iron oxide, is spread across the Martian surface in a fine dust.
|
| 32. | The iron oxide process requires an efficient source of heat.
|
| 33. | The active material of the negative plates is iron oxide.
|
| 34. | Modern versions are frequently made with synthetic red iron oxide.
|
| 35. | In addition, apatite, ilmenite, iron oxides and zirconia are found.
|
| 36. | Other shades of iron oxides include Kobe, all shown below.
|
| 37. | Some iron pentacarbonyl is burned to give pure iron oxide.
|
| 38. | That plastic is coated with iron oxide _ basically rust.
|
| 39. | Very likely, the painters made the pigment from iron oxide veins in the cave.
|
| 40. | The name is derived from the iron oxide laden rock that forms their slopes.
|
