Simultaneous determination of beryllium and magnesium with 1-hydroxy-2-carboxyanthraquinone by first-derivative spectrophotometry
- 1 January 1987
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in The Analyst
- Vol. 112 (10) , 1391-1394
- https://doi.org/10.1039/an9871201391
Abstract
A method for the simultaneous determination of beryllium and magnesium in mixtures by first-derivative spectrophotometry is described. The method is based on the coloured complexes that both beryllium and magnesium form with 1-hydroxy-2-carboxyanthraquinone and is valid for concentrations between 0.04 and 0.4 µg ml–1 of beryllium and between 0.1 and 1.5 µg ml–1 of magnesium.Keywords
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