Is UV-Vis spectra used only for organic compounds?
Spectroscopy in the UV and visible wavelengths is used primarily to measure the electronic absorptions by conjugated electronic systems in organic compounds. However, many metals and salts can also absorb to some degree in the UV and visible portion of the electromagnetic spectrum (consider that visible spectroscopy is especially common in mineral spectroscopy, for example, to measure the color and spectral qualities of diamonds in jewelry). So, while UV-vis spectroscopy is used overwhelmingly for organic compounds, it can also be used for measurement of inorganic compounds.
