Of or relating to iron
Any of a number of (sometimes hypothetical) oxyacids containing iron in a higher oxidation state; a solution containing such an acid, used especially to etch or dissolve copper.
Iron(iii) oxide, a dark red solid which occurs naturally as the mineral haematite and is the main component of jeweller's rouge.
Containing both aluminium and iron; specifically designating the substance alumino-ferric; relating to this substance.
Iron(iii) chloride, a red or (when hydrated) yellow solid with Lewis acid properties, used in solution to promote the clumping of particles in sewage treatment, and as an etchant for copper.
Iron(iii) sulphate, a yellow crystalline solid used especially as a coagulant in water purification and as a mordant in dyeing.
Iron(iii) phosphate, a yellow solid used as a molluscicide and in rustproofing iron.
A dark blue cyanide of iron, which is the primary constituent of the pigment Prussian blue.