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Method and chemical sensor for determining concentrations of hydrogen peroxide and its precusor in a solution

  • US 20050189240A1
  • Filed: 09/24/2004
  • Published: 09/01/2005
  • Est. Priority Date: 02/26/2004
  • Status: Abandoned Application
First Claim
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1. A chemical sensor comprising a transducer which is able to conduct an electric current and a mixed-valence metal oxide deposited on a surface of the transducer, wherein said mixed-valence metal oxide has a formula as follows:


  • MxOy wherein M is a transition metal and has two or more than two different valences;

    x and y represent moles of said transition metal, M, and oxygen, respectively, provided that 2y=(x1)(z1)+(x2)(z2) . . . +(xn)(zn), and x1+x2+ . . . +xn=x, wherein z1, z2, . . . zn represent the valences of M;

    x1, x2, . . . xn represent moles of M having valences of z1, z2, . . . zn, respectively, and n is a positive integer.

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