Study of a spectrophotometric method for the determination of aluminum in cement samples
DOI:
https://doi.org/10.5902/2179460X24934Abstract
In the spectrophotometric determination of Aluminum in cements after an acid decomposition of samples in a teflon bomb the Al3 + ion is complexed with 8-hydroxyquinoline (oxine) and extracted in chloroform. After destroying the oxinates, the Aluminum content is spectrophotometrically determined with Alizarin S (Alizarinsulfonic acid sodium salt) which forms a stable orange-red complex at pH 4.6.
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Deutsche Einheitsverfahren zur Wasser, Abwasser-und Schlamnuntersuchung, Bestimmung des Aluminium-Ions E9, 6. Lieferung, Ausgabe 1971, Verlag Chemie Gmbh, Weinheim, Deutschland.
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