Experimental demonstration highlights efficient iron removal from cereal using magnets, implying educational utility.
A long-standing demonstration in science classes is the extraction of reduced iron from breakfast cereal using a magnet. The purpose of this work was to determine if the iron could be completely removed from the cereal using only a magnet. Neodymium magnets were employed for the extraction and atomic absorption spectroscopy was used for the analysis of the samples. Experimental results indicated that the majority of the iron could be removed using only a magnet with an average percent recovery of 91 ± 4% (n = 7) for the most recent experimental results.
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Gordon et al. (2009) studied this question.
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