One beam, the reference beam, passes directly to the detector to measure its intensity. ![]() This monochromatic light is split into two beams. White light enters a monochromator which narrows down the wavelength band of the radiation. UV-Visible spectroscopy uses a UV-visible spectrometer.The electron in the ground state (lower energy level) absorbs this energy and moves to a higher energy level (excited state). Valence shell electrons, either bonding or non-bonding electrons, most easily absorb this energy. Some compounds absorb light with wavelengths in the ultraviolet and/or visible range of the electromagnetic spectrum (200 nm to 780 nm).You need to become an AUS-e-TUTE Member! UV-Visible Spectroscopy Chemistry Tutorial Key Concepts ![]() Want chemistry games, drills, tests and more? UV-Visible Spectroscopy Chemistry Tutorial More Free Tutorials Become a Member Members Log‐in Contact Us
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