
Potassium iodide is a multifunctional inorganic compound widely used in fields such as medicine, industry, laboratories, and emergency protection.
Chemical reagents: In the laboratory, potassium iodide is commonly used for redox titration. For example, when detecting the peroxide value of edible oil, it reacts with peroxides to generate iodine, which is then titrated with sodium thiosulfate for quantitative analysis.
Gas purification materials: In air purification systems, modified materials impregnated with potassium iodide (such as alumina or activated carbon) can adsorb and convert acidic or alkaline harmful gases through chemical reactions, and are used in research cleanrooms and other environments.
Agriculture and food industry: Potassium iodide can be used as a plant growth regulator to promote crop growth, increase yield, and improve disease resistance; In the food industry, it can be used to enhance salt (iodized salt) to prevent iodine deficiency, or as a food preservative.