What Is UV-visible Spectroscopy PDF?

What Is UV-visible Spectroscopy PDF? Ultraviolet- Visible Spectroscopy. Ultraviolet and visible (UV-Vis) absorption spectroscopy is the measurement of the. attenuation of a beam of light after it passes through a sample or after reflection from. a sample surface. The visible spectrum ranges from 400 nm to about 800 nm. What is the basic principle of