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Multi-analyte reference solutions with stable pO2 in zero headspace containers

  • US 20040047771A1
  • Filed: 08/29/2003
  • Published: 03/11/2004
  • Est. Priority Date: 11/02/1995
  • Status: Active Grant
First Claim
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1. A zero headspace container that maintains a stable partial pressure of oxygen in a multi-analyte reference solution housed therein, comprising:

  • (a) an inner layer forming the interior of the container and composed of a polymeric material that does not react with oxygen or has an oxygen reactivity that is sufficiently low so as to maintain the partial pressure of oxygen of a multi-analyte reference solution therein at a specified value ±

    4 mm Hg;

    (b) an intermediate layer comprised of aluminum;

    (c) an outer layer that serves to protect the intermediate layer from physical damage; and

    (d) a multi-analyte reference solution housed within the interior of the container.

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