Ammonia as N IC standard is primarily used in analytical chemistry for calibration and quality control purposes. It serves as a reference material in ion chromatography (IC) to accurately measure and quantify nitrogen-containing compounds in various samples. This standard is essential in environmental testing to monitor ammonia levels in water, soil, and air, ensuring compliance with regulatory standards. It is also employed in industrial applications to assess the efficiency of processes like wastewater treatment and fertilizer production. Additionally, it aids in research and development by providing precise measurements for studying nitrogen cycles and related chemical reactions.