A: Atomic spectroscopy is used to measure pollutant levels in air, water, and soil, and to detect contaminants and adulterants in food and beverage samples. Explore the principles, techniques, and applications of atomic spectroscopy, and understand its significance in various. Chemists employ atomic spectrophotometers to determine the identity and/or concentration of a metallic species. Samples must be in liquid form before being placed in the analyzer. When an excited atom returns to its ground state, it emits a specific wavelength of radiation. In this article, we will explore the.