1910
DOI: 10.1002/zaac.19100650121
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Darstellung und Untersuchung regulinischen Zirkoniums

Abstract: von 5 g Zirkonerde mit 1.1 g Bor im Kohleschiffchen im elektrischen Ofen bei Anwendung eines Stromes von 650 Amp. und 120 Volt entstand eine clunkle, porose , scheinbar nicht vollstandig durchgeschmolzene Masse. Bei langerem Erhitzen des Zirkondioxyd-Borgemisches rnit Hilfe eines Stromes von 800 Amp. bildete sich eine grauschwarze metallisch aussehende Schmelze. Das Produkt enthielt neben 30°/, Kohle ca. 5 8 O / , Zirkon und erwies sich als ein Zirkoniumcarbid. Mit uberschussigem Silicium entstand bei Anwendun… Show more

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Cited by 19 publications
(3 citation statements)
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“…A flexible seal (6) made from a length of bicycle inner tube allows the water-cooled electrode holder to be moved. Electrical connections are shown at (7) and (18). The arc is observed through a Pyrex eyepiece (8).…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…A flexible seal (6) made from a length of bicycle inner tube allows the water-cooled electrode holder to be moved. Electrical connections are shown at (7) and (18). The arc is observed through a Pyrex eyepiece (8).…”
Section: Methodsmentioning
confidence: 99%
“…Kroll (l) employed a similar furnace made of steel, using a tungsten electrode for melting titanium in vacuum. Weiss (7) employed two consumable electrodes in attempting to prepare pure zirconium by arc-melting zirconium-aluminum alloys in vacuum. He also melted consumable electrodes of tungsten (8).…”
Section: Introductionmentioning
confidence: 99%
“…Although Berzelius' method yielded impure zirconium, highly contaminated with zirconia, he had chosen his materials with great scientific acumen (37). Through the attempts of many research workers, including Ludwig Weiss and Eugen Naumann (38), Wedekind (39), and Moissan (40), zirconium of higher and higher purity has been obtained. Finally in 1914 D. Lely, Jr., and L. Hamburger (41) of the research staff of the Philips Metal-Incandescent Lamp Works in Eindhoven, Holland, obtained the metal 100% pure.…”
mentioning
confidence: 99%