Drabkin's Reagent
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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 consists of 100 parts of sodium bicarbonate, 20 parts of potassium ferricyanide, and 5 parts of potassium cyanide. [Caution—The reagent is HIGHLY TOXIC. Very toxic by inhalation, in contact with skin, and if swallowed, and there is a risk of serious damage to eyes. Wear suitable protective clothing, gloves, and eye and face protection. Do not mix with acids. Contact with acids liberates a very toxic gas. If ingested, perform gastric lavage, and call a physician.]
[Note—The reagent can be obtained from many manufacturers and suppliers. Some examples of manufacturers or suppliers are the following: Sigma Chemical Co., St. Louis, MO; and CIMA Scientific, Dallas, TX.]
