Compositions – Nonreactive analytical – testing – or indicating compositions
Patent
1979-12-31
1981-07-21
Gron, Teddy S.
Compositions
Nonreactive analytical, testing, or indicating compositions
23230B, 23928, G01N 3348
Patent
active
042797756
ABSTRACT:
There is disclosed a synthetic liquid control standard for use in the quality assurance of blood gas instrumentation systems which comprises an aqueous solution of a dye buffered to a pH of from about 7.1 to about 7.7 and containing sufficient bicarbonate ion to provide a pCO.sub.2 of from about 20 to about 80, ethylene glycol to provide a viscosity of from about 3 to about 9 centipoises and gaseous oxygen to provide a pO.sub.2 of from about 50 to about 400 retained in a sealed receptacle.
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Louderback Allan L.
Szatkowski Paul R.
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