Red-Cell Lysing Agent
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This article is compiled based on the United States Pharmacopeia (USP) – 2025 Edition
Issued and maintained by the United States Pharmacopeial Convention (USP)
The reagent is available as a solution containing 0.33% potassium cyanide and 0.11% sodium nitroprusside and a quaternary ammonium salt as the surface active agent (5.5%).
[NOTE-The reagent is manufactured by Coulter Electronics Diagnostics, Hialeah, FL and is available from many suppliers under the name of Zapoglobin® (or Zap-oglobin®).]
