1980
DOI: 10.1002/ange.19800920309
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Extreme Analytik: Bestimmung von Cr, Fe und Co im ppb- und ppt-Bereich zur Prüfung der Herstellungsverfahren für hochreines Niob

Abstract: Das Interesse an hochreinem Niob ist in den letzten Jahren wegen seiner wissenschaftlich und technologisch bedeutenden Eigenschaften und-seiner moglichen Verwendung in der Kerntechnik und Fusionsforschung sowie auf dem Supraleitungsgebiet sprunghaft angestiegen"]. Viele Eigenschaften des Niobs konnen schon durch kleinste Gehalte an Verunreinigungen beeinflufit werdenf21. Deshalb kommt der Entwicklung von leistungsstarken Herstellungs-und Analysenverfahren entscheidende Bedeutung zu.Wir konnten erstmalig extrem… Show more

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Cited by 4 publications
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“…A variety of instrumental techniques have been applied to the determination of trace impurities in Ta and Nb metals and compounds. These include neutron activation analysis, 1,2 thin-film X-ray fluorescence spe~trometry,~ emission ~pectrometry,~ inductively coupled plasma atomic emission spectrometry (ICP-AES)5*6 and inductively coupled plasma mass spectrometry (ICP-MS). (j All of these procedures require dissolution of the sample, followed in most instances by separation of the trace impurity from the matrix before analysis.…”
mentioning
confidence: 99%
“…A variety of instrumental techniques have been applied to the determination of trace impurities in Ta and Nb metals and compounds. These include neutron activation analysis, 1,2 thin-film X-ray fluorescence spe~trometry,~ emission ~pectrometry,~ inductively coupled plasma atomic emission spectrometry (ICP-AES)5*6 and inductively coupled plasma mass spectrometry (ICP-MS). (j All of these procedures require dissolution of the sample, followed in most instances by separation of the trace impurity from the matrix before analysis.…”
mentioning
confidence: 99%