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Isolation of the intermetallic compounds Al2Cu, Al12Mg17 Al3Fe, Al9Co2 and Al3Ni in binary aluminium alloys by application of an organic solvent

Isolierung der intermetallischen Verbindungen Al2Cu, Al12Mg17, Al3Fe, Al9Co2 und Al3Ni aus binären Aluminiumlegierungen mit Hilfe eines organischen Lösungsmittels

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Zusammenfassung

Zur Isolierung der intermetallischen Verbindungen aus den entsprechenden binären Legierungen wird die Probe mehrere Stunden bis Tage unter Rühren mit einer methanolischen Lösung von Benzoesäure (20%), Oxin (5%), Chloroform (20%) und Natriumhydroxid (0,02%) behandelt. Hierbei wird die Matrix aufgelöst und die intermetallischen Verbindungen bleiben zurück.

Summary

For the isolation of the intermetallic compounds Al2Cu, Al12Mg17, Al3Fe, Al9Co2 and Al3Ni in their binary alloys a new method is proposed: Sample alloy particles are placed in a flask with a methanolic solution of benzoic acid (20% wt.), oxine (5% wt.), chloroform (20% vol.) and sodium hydroxide (0.02% wt.). After sufficient time of agitation, the intermetallic compounds remain quantitatively in the solution.

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Authors and Affiliations

  1. The Research Institute for Iron, Steel and Other Metals, Tohoku University, Katahiracho, Sendai, Japan

    F. Honda & K. Hirokawa

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  1. F. Honda
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  2. K. Hirokawa
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Honda, F., Hirokawa, K. Isolation of the intermetallic compounds Al2Cu, Al12Mg17 Al3Fe, Al9Co2 and Al3Ni in binary aluminium alloys by application of an organic solvent. Z. Anal. Chem. 262, 170–179 (1972). https://doi.org/10.1007/BF00437635

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  • DOI: https://doi.org/10.1007/BF00437635

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