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Device for measuring the activity of a liquid in a complex medium and associated method

  • US 9,316,572 B2
  • Filed: 11/04/2010
  • Issued: 04/19/2016
  • Est. Priority Date: 11/04/2009
  • Status: Expired due to Fees
First Claim
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1. A device for measuring the activity of a liquid in a complex medium, comprising a sealed enclosure, said enclosure being also an isotherm enclosure which is therefore capable of maintaining this enclosure at a constant temperature T and in which the complex medium is intended to be placed, wherein the device comprises:

  • a means for modifying the total volume of the enclosure;

    a pressure sensor for measuring the total pressure in the enclosure;

    a means for calculating the activity of the liquid in the complex medium, from the temperature T of the enclosure, the total volume of the enclosure and the total pressure in the enclosure.

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