Potassium Tetraiodomercurate Solution, Alkaline

Potassium Tetraiodomercurate Solution, Alkaline Dissolve 11 g of potassium iodide and 15 g of mercury(ii) iodide in water and dilute to 100 mL with water. Immediately before use, mix the solution with an equal volume of a 25% w/v solution of sodium hydroxide.