Metallionen als Löscher der Huminstoff-Lumineszenz / Metal Ions as Quencher of the Luminescence of Humic Substances
Open Access
- 1 March 1992
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 47 (3) , 399-405
- https://doi.org/10.1515/znb-1992-0317
Abstract
The luminescence of aquatic humic substances in water is quenched over a broad range of pH by paramagnetic metal ions like iron(II) and manganese(II). The efficiency dependents on the pH of the solution and rises with increasing basicity; this parallels the complexing of metal ions by humic substances. No quenching of the luminescence is observed by the addition of aluminium(III).Keywords
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