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Electrical Detection and Quantification of Mercuric Derivatives

  • US 20100255593A1
  • Filed: 03/16/2010
  • Published: 10/07/2010
  • Est. Priority Date: 03/18/2009
  • Status: Active Grant
First Claim
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1. An apparatus for detecting and/or quantifying mercuric ions Hg2+, of the type comprising:

  • an electrical device comprising two electrodes and a substrate comprising at least one surface made of an organic or inorganic semiconductor material, the electrodes being in electrical contact with said organic or inorganic semiconductor material, anda device for measuring the variation in the conduction current between the two electrodes,wherein at least one compound which complexes mercuric ions Hg2+, selected from a dithia-dioxa-monoaza crown ether compound, an N,N-di(hydroxyethyl)amine, an N,N-di(carboxyethyl)amine, and mixtures of two at least of these compounds, is grafted onto said semiconductor material or onto an electrode of said electrical device.

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