Instrumental analysis of ferro-alloys

Projektinformationen

ID Finanzhilfevereinbarung: 7210-GD-932

Projekt abgeschlossen

Startdatum 1 Juli 1988

Enddatum 31 Dezember 1991

Finanziert unter

• Medium-term guidelines (ECSC) "technical steel research", 1986-1990

Gesamtkosten

€ 568 000,00

EU-Beitrag

€ 340 800,00

Koordiniert durch

CENTRO NACIONAL DE INVESTIGACIONES METALURGICAS
Spain

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Veröffentlichungen

Other (1)

Development of methodologies for the analytical control of ferroalloys by instrumental techniques

Autoren: GÓMEZ COEDO A (Centro nacional de investigaciones metalúrgicas, Madrid (ES)), JIMENEZ SECO J L (Centro nacional de investigaciones metalúrgicas, Madrid (ES)), GOMEZ COEDO A (Centro nacional de investigaciones metalurgicas, Madrid (ES))
Veröffentlicht in: EUR 15509 ES (1996) 83pp., FS, ECU 10 (euroabstract 34/1275), 1996, Seite(n) 83, ISBN 92-827-5991-1

Verwertbare Ergebnisse

Instrumental analysis of ferroalloys

Research was carried out into the development of operating systems for accurate X-ray fluorescence (XRD) analysis of major elements and minor elements in ferroalloys. Samples were prepared following 3 different procedures: obtention of metal samples by remelting in an induction furnace, palletization by direct powder compaction and preparation of beads from preoxidized materials. Calibration was made from samples prepared with 1 or 2 commercial ferroalloys, previously analyzed using standard wet way methods. Tests for precision and reproductiveness were conducted for each system of sample preparation and for each type of studied ferroalloys. The accuracy of the methods developed was tested by the analysis of several reference materials. Finally, a statistical comparative study was conducted on the results obtained for a commercial ferroalloy of each type using different analytical techniques and methodologies.