This paper has reviewed the preparation and progress of iron oxide red pigment.

综述了氧化铁红颜料的制备及进展。

youdao

Iron Oxide Black; Iron Oxide Yellow; Iron Oxide Red; Fast Red 2r; Toluidine Mauve 0 no limit.

氧化铁黑，氧化铁黄，氧化铁红，快速红2r，甲苯胺紫红0不限。

youdao

In this paper, the preparation of iron oxide yellow and iron oxide red with pyrite cinder was studied.

对利用硫铁矿烧渣制备氧化铁黄和氧化铁红进行了研究。

youdao

The red color is the result of iron oxide or rust.

VOA: special.2009.04.15

They created a material that excluded light with a wavelength of one millimetre (the long end of the infra-red spectrum), using an array of aluminium-oxide posts that were spaced evenly across a grid.

ECONOMIST: New-age crystals

"Typically the concentrations are small in red mud and what is present is tightly bound to the particles of iron oxide, " he says.

BBC: How toxic is Hungary's red sludge?