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Method of preventing contamination of a chromatography column

  • US 5,338,448 A
  • Filed: 04/27/1993
  • Issued: 08/16/1994
  • Est. Priority Date: 10/16/1992
  • Status: Expired due to Fees
First Claim
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1. A method of preventing contamination of a chromatography separation column containing stationary phase chromatographic material, by particulate or dissolved contaminants in a sample stream, comprising:

  • retaining particulate and dissolved contaminants in a protective pad by passing the sample stream through the protective pad before the sample stream contacts the separation column, wherein said protective pad comprises a fabric or membrane sorptive chromatographic material.

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