L1 /
10
CH1012
UV SPECTROSCOPY I
Absorption
of UV irradiation (l 200 - 400 nm)
results in an electronic excitation.
results in an electronic excitation.
An
electron is promoted from a low E orbital
to a high E empty
orbital. Ground state
to an excited state.
to a high E empty
orbital. Ground state
to an excited state.
D E =
hn = hc / l
h =
Planck’s constant
c =
speed of light
n =
frequency
l =
wavelength
UltraViolet Spectroscopy
