Abstract
Abstract A method for the measurement of manganese in biological materials using long-path atomic absorption spectroscopy is described. Interference due to anions and cations is eliminated by performing the measurements in threequarter-saturated oxine (8-hydroxyquinoline). It is simple to perform and is sensitive over the range of 0.05–1.0 μg/ml. It does not require prior extraction with organic solvents or the use of the method of additions. The overall precision is excellent. The accuracy has been established using National Burean of Standards certified standards and by comparison with an emission spectrographic method.
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