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Q: What is the shelf life of the Molecular Weight Standards?


A: Shelf life will vary depending on handling conditions and procedures.  PSS Polymer Standards are stable when handled according to the instructions and procedures described in the Polymer Standards Users Manual delivered with every shipment.  PSS places emphasis to the following:
  • The customer shall store them in a cool, dry and dark environment.
  • The customer shall not expose the standards to UV radiation.
  • The customer shall prevent undue stress including, but not limited to, shaking, high-pressure filtration, ultrasound, and or microwaves, during sample dissolution and/or actual testing.

 

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