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Method of packaging oxygen reference solution using flexile package with inside valve

  • US 5,780,302 A
  • Filed: 10/29/1996
  • Issued: 07/14/1998
  • Est. Priority Date: 11/02/1995
  • Status: Expired due to Term
First Claim
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1. A method of maintaining the stability of an oxygen reference solution comprising the step of:

  • packaging an oxygen reference solution in a package comprising;

    multiple laminated layers, said laminated layers comprising;

    an inner layer of a heat-sealable polymer film;

    a middle layer of aluminum; and

    an outer layer selected from the group consisting of polyester nylon and a lacquer coating; and

    an access device disposed completely within said package in contact with said oxygen reference solution wherein said access device does not breach said multiple laminated layers and wherein said access device allows access to the oxygen reference solution in the package while maintaining the integrity of the solution during storage and preventing exposure of the solution to the outside environment when the access device is punctured by a probe.

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