ORGANIC CHEMISTRY : UV Spectroscopy

UV : Ultra Violet spectroscopy

Chromophores are chemical bonds or functional groups in a compound can absorb UV radiation. Some examples of this include double and triple bonds, benzene and similar ring systems. Electrons are excited to higher energy levels when the compound absorb UV energy . However , the energy is emitted when electrons fall to lower energy ground state . The ability of a compound to absorb UV energy is used UV spectroscopy .

The absorbance A or transmittance can be calculated to find the molar absorptivity of the compound. A = ε c l where ε is the molar absorptivity, c is the molarity and l is the pathlength of 1.0 cm.

Moreover, this can similarly be used to analyze inorganic compounds that contain transition metals.