Preparation of high-purity vitreous B#72S#73

Preparation of high-purity vitreous B#72S#73

Preparation schemes for (#8n-B#72S#73) with a S:B ratio of 1.478#880.032 are described. Extreme care taken in carbonizing SiO#72 reaction tubes and use of very high purity starting materials results in O contamination of A1%. The ir spectrum for very pure n-B#72S#73 contains only two absorption band...

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Veröffentlicht in:Journal of the American Ceramic Society 1990-01, Vol.73 (11), p.3481-3485
Hauptverfasser: Martin, Steve W, Bloyer, Donald R
Format: Artikel
Sprache:eng
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Zusammenfassung:Preparation schemes for (#8n-B#72S#73) with a S:B ratio of 1.478#880.032 are described. Extreme care taken in carbonizing SiO#72 reaction tubes and use of very high purity starting materials results in O contamination of A1%. The ir spectrum for very pure n-B#72S#73 contains only two absorption bands.
ISSN:0002-7820