Posted in chemistry hacks Tagged crystal, facet, ferric oxide, iron (III) oxide, oxalic acid, potassium carbonate, rust Post navigation ← Modular Design Enables Huge Ping-Pong Ball LED Displays ...

Worldwide gamma ferric oxide shortage delays cassette tape production Production at National Audio Company, America’s largest cassette tape manufacturer, has slowed due to the shortage of materials.

Some relief appears to be on the way, as the NAC says it has acquired 11 tons of of gamma ferric oxide. That's a small dent; the NAC is still waiting on 50 tons of the material.

But however its surface rusted, the compound iron(III) oxide appears red because it absorbs the blue and green wavelengths of the light spectrum while reflecting the red wavelengths.

Production is being threatened, however, by a worldwide shortage of gamma ferric oxide, the most common material used for magnetic recording. According to a letter from NAC to its customers, ...

This article was originally published with the title “ Separation of Ferric Oxide and Alumina from Manganese ” in SA Supplements Vol. 8 No. 194supp (September 1879), p. 3094 doi:10.1038 ...

This article was originally published with the title “ Determination of Ferric Oxide and Alumina in Phosphates ” in SA Supplements Vol. 33 No. 859supp (June 1892), p. 13734 doi:10.1038 ...