WHOLE BLOOD SEPARATION METHOD AND TEST USING SAME
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Abstract
A METHOD FOR SEPARATING WHOLE BLOOD INTO A SUBSTANTIALLY COLORLESS FLUID AND THE RED CELL COMPONENTS OR RESIDUE COMPRISING CONTACTING THE WHOLE BLOOD WITH A WATERSOLUBLE SALT HAVING AN INORGANIC CATION SUCH AS POTASSIUM CITRATE, AMMONIUM SULFATE, ZINC SULFATE AND THE LIKE. IN A PREFERABLE USE OF THIS MEANS TO EFFECT A TEST DEVICE AND METHOD FOR DETECHING SOLUBLE CONSTITUENTS IN WHOLE BLOOD, A MATRIX CONTAINING THE SALT IS POSITIONED ADJACENT TO A TEST REAGENT SPECIFICALLY REACTABLE WITH AND GIVING A DETECTABLE RESPONSE TO SAID SOLUBLE CONSTITUENT, THE WHOLE BLOOD FIRST BEING CONTACTED WITH THE SALT AND THE COLORLESS FLUID THUS OBTAINED THEN CONTACTED WITH THE TEST REAGENT.
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