Pharmaceutical analysis involves techniques to identify, quantify, and purify substances as well as separate mixture components. [1] It uses qualitative and quantitative methods like chemical, physicochemical, microbiological, and biological analyses. [2] Common chemical techniques include volumetric (e.g., acid-base titration), gasometric, and gravimetric analysis. [3] Instrumental methods rely on measuring properties like electrical conductance and optical density. Microbiological analysis examines microbial growth inhibition. Biological analysis estimates potency using animal or tissue samples. Pharmaceutical analysis has applications in quality control, research, pollution monitoring, and more.