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Multiple control standard for blood analysis

DC
  • US 4,843,013 A
  • Filed: 03/02/1988
  • Issued: 06/27/1989
  • Est. Priority Date: 04/09/1986
  • Status: Expired due to Term
First Claim
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1. A multiple liquid control standard comprising an aqueous solution useful as a control for blood gas instrumentation systems buffered by a buffering agent to a pH of from about 7.1 to about 7.7 and containing sufficient bicarbonate ions to provide a pCO2 from about 15 to about 80 mm Hg, gaseous oxygen to provide a pO2 of from about 50 to about 400 mm Hg retained, absorbance means to provide a control test which corresponds to a predetermined level of hemoglobin and hemoglobin fractions and salts of electrolytes to provide ions selected from the group consisting of ionic lithium, ionic calcium, ionic sodium and ionic potassium, said composition providing a control test for a corresponding ion selective electrode systems.

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