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Band Broadening

Band broadening occurs due to factors like diffusion and incomplete mass transfer, leading to wider separated peaks in chromatography.
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The statement of the theorem

The plate height HH (a measure of band broadening) is defined by the flow rate uu and the physical parameters of the system via the Van Deemter equation:\nH(u)=A+Bu+CuH(u) = A + \frac{B}{u} + C u \nWhere AA represents the eddy diffusion term (geometry), BB represents the longitudinal diffusion term (molecular diffusion), and CC represents the mass transfer resistance term (kinetics).