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A new solid-state membrane filter was prepared by filtering nanoparticles of a fluorophoric mercury(II) detecting molecule dispersed in water through a nanopore size cellulose membrane. By this method, nanoparticles are uniformly coated onto the membrane fibres to form a nanocomposite membrane for selective detection of mercury(II) ions in water allowing trace analysis—down to the ppb level—of this highly toxic metal.
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Díez‐Gil et al. (2008) studied this question.
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