Analytical devices refer to instruments used to measure and analyze various properties of a substance or sample. These devices are commonly used in research and laboratory settings to determine the composition, structure, and properties of chemical compounds, biological samples, and materials. Analytical devices can include spectroscopy instruments, chromatography systems, mass spectrometers, and other tools that provide detailed information about a sample's composition and characteristics. These devices are crucial for identifying and quantifying compounds in a sample, determining the purity of a substance, and studying the interactions between different components. Overall, analytical devices play a key role in various scientific disciplines, including chemistry, biology, environmental science, and material science, by providing researchers with the essential data and insights needed to advance their understanding of the natural world.