METHOD OF PRODUCING SUBSTANTIALLY ACICULAR FERROMAGNETIC METAL PARTICLES

Acicular ferromagnetic metal particles consisting essentially of iron are prepared by a process wherein acicular iron(III) oxide hydroxide provided with a shape-stabilizing surface coating, or iron(III) oxide obtained therefrom by dehydration, is reduced by means of a decomposable organic compound a...

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Hauptverfasser: HERUMUUTO YAKUSHIYU, BUIRUHERUMU ZARUNEKI, IEENE KOFUAKUSU, BUERUNAA SHIYUTETSUKU, BUERUNAA REEZAA, PEETAA RUDORUFU
Format: Patent
Sprache:eng
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Zusammenfassung:Acicular ferromagnetic metal particles consisting essentially of iron are prepared by a process wherein acicular iron(III) oxide hydroxide provided with a shape-stabilizing surface coating, or iron(III) oxide obtained therefrom by dehydration, is reduced by means of a decomposable organic compound and hydrogen.