Zusammenfassung
Ein PIXE-Verfahren zur Bestimmung von Fe, Cr und Sn in Zircaloy, von Zr in reinem Hafnium und von Y in Titanlegierung wird beschrieben. Nach entsprechender Lösung der Probe in Säure wird ein aliquoter Teil auf einem Membranfilter niedergeschlagen und mit 2,5-MeV-Protonen bestrahlt (Cyclotron oder Van-de-Graaff-Beschleuniger). Eichung erfolgt mit Hilfe des Standardzugabe-Verfahrens. Vortrennungen sind nicht erforderlich. Die Ergebnisse lassen sich gut mit denen anderer Verfahren vergleichen. Präzision, Genauigkeit und Nachweisgrenzen werden diskutiert. Die Resultate bestätigen die Brauchbarkeit des PIXE-Verfahrens zur Analyse metallurgischer Materialien.
Summary
A proton-induced X-ray emission (PIXE) procedure for the determination of iron, chromium and tin in zircaloy, zirconium in pure hafnium, and yttrium in titanium alloy has been proposed. After suitable acid dissolution of the samples, aliquots were deposited onto membrane filters and irradiated by a 2.5-MeV proton beam from a cyclotron or a Van de Graaff accelerator. Calibration was achieved making use of the standard addition method. Preliminary separations are not required and the PIXE results have been well compared with those obtained by other accepted methods of analysis. Precision, accuracy and limits of detection for the elements of interest are discussed. The results demonstrate the feasibility of PIXE as an alternative analytical technique for metallurgical materials.
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Research Associate of the National Fund for Scientific Research (Belgium)
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Roelandts, I., Robaye, G., Weber, G. et al. Some applications of proton-induced X-ray emission spectrometry in the elemental analysis of metallurgical materials. Z. Anal. Chem. 320, 541–544 (1985). https://doi.org/10.1007/BF00468944
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DOI: https://doi.org/10.1007/BF00468944