Sodium phosphate dibasic-citric acid buffer is widely used in biological and biochemical research to maintain stable pH levels in various experimental conditions. It is particularly effective in cell culture media, enzyme assays, and protein purification processes, where precise pH control is crucial for optimal activity and stability. The buffer is also employed in molecular biology techniques, such as DNA and RNA extraction, to prevent degradation of nucleic acids. In addition, it finds application in diagnostic kits and pharmaceutical formulations, ensuring consistent and reliable results. Its buffering capacity makes it suitable for use in electrophoresis and chromatography, where maintaining a specific pH is essential for accurate separation and analysis of biomolecules.