The Introduction of Potassium iodide
Potassium iodide is white cubic crystal or powder. Slight in humid air moisture, precipitation of a long set of free iodine and become yellow, and can trace the formation of iodate. Light and humidity can accelerate decomposition. 1g dissolved in 0.7ml water, 0.5ml boiling water, 22ml of ethanol, 8ml boiling ethanol, 51ml of anhydrous ethanol, 8ml methanol, 7.5ml acetone, 2ml glycerol, about 2.5ml glycol. Their solution was neutral or slightly alkaline, can be dissolved iodine. The solution will be gradual oxidation and yellow, plus a small amount of alkali can be prevented. The relative density of 3.12. Melting point of 680 ℃. Boiling point of 1420 ℃. Approximate lethal dose (rat, intravenous) 285mg/kg. Widely used in the preparation of volumetric analysis iodometric titration. Haploid breeding in the preparation of Burley Fernandez, modified Wright, MS, RM and other media. Stool inspection. Photography. Pharmaceutical.Commonly known as potassium iodine potassium iodide. Is an inorganic compound, for the preparation of organic iodide, etc., and as a chemical reagent.
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