Sebastiana Di Pasquale

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Important pumice quarries are located on the island of Lipari (Italy) where an intense activity of extraction, transformation and trade of pumice takes place. Nevertheless, the finest fraction amounting to about 60% of mined pumice is discarded and disposed off in open-sky pits. This implies economic losses for mining industries and environmental problems(More)
The red complex developed on interaction of iron(III) with 3-phenyl-5-isoxazolon-4-carboxylic acid ethyl ester in the pH range 2-5 can be extracted into methyl isobutyl carbinol. Based on this, a selective and rapid method for the spectrophotometric determination of traces of iron has been developed. The complex has an absorption maximum at 490 nm. Beer's(More)
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