Used in analytical chemistry for the determination of reducing agents through iodometric titrations. Commonly applied in the quantification of sulfites, thiosulfates, and ascorbic acid in food and pharmaceutical samples. Also employed in redox titrations where a stable and precise oxidizing agent is required. Suitable for standardization of sodium thiosulfate solutions. Widely used in quality control laboratories for water analysis, including the measurement of available chlorine in disinfectants. Its high purity and stability make it ideal for volumetric analysis in environmental, industrial, and research applications.