Used as a titrant in non-aqueous acid-base titrations for the determination of weak organic acids and acidic impurities in pharmaceuticals, food additives, and industrial chemicals. Commonly applied in quality control and analytical laboratories to standardize acid solutions and validate analytical methods. Also employed in the calibration of pH meters and in the preparation of buffer systems for chromatography and electrophoresis. Its consistent concentration ensures accurate and reproducible results in quantitative analysis.