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SPECTROSCOPY?
EM Radiation?
Wave Properties? (Electric Field)
Wave Properties? (Magnetic Field)
PERIOD (p)?
FREQUENCY (f@v) ?
AMPLITUDE (A)?
WAVELENGTH( lamda)?
WAVENUMBER?
RADIANT POWER (P)?
INTENSITY (I)?
C=V(lamda)
wavelength( lamda) 8 1/frequency(v)
Particle Properties (1)
Particle Properties (2)
ABSORPTION
Quantitative absorption methods require 2 power measurements:
Transmittance
(commonly expressed in %)
Absorbance
BEER'S LAW
Limitations to The Applicability of Beer’s Law (3)
FUNDAMENTAL DEVIATION
INSTRUMENTAL DEVIATION
CHEMICAL DEVIATION
ABSORPTION
EMISSION
SCATTERING
a molecule may absorb energy in 3 ways:
Absorption spectrum
Band spectrum
Continuum spectrum
