Spectroscopic and Electroanalytical Techniques are fundamental tools in modern analytical chemistry, enabling precise investigation of chemical and physical properties. Spectroscopic methods, including UV-Vis, IR, NMR, and atomic absorption, analyze how matter interacts with electromagnetic radiation, providing insights into molecular structure, composition, and concentration. Electroanalytical techniques, such as voltammetry, potentiometry, and amperometry, measure electrical signals generated by chemical reactions, offering accurate data on analyte concentration and redox behavior. Together, these methods are widely applied in pharmaceutical analysis, environmental monitoring, materials science, and clinical diagnostics. Their high sensitivity, reliability, and versatility make them invaluable for detecting trace elements and studying reaction mechanisms. As technology advances, these techniques continue to evolve, enhancing their capabilities and broadening their impact across scientific and industrial domains.