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Heartcuts
Heartcutting is selectively sending aliquots of GC effluent separated
in a pre-column (usually DB5 or equivalent) to a second column with
different stationary phase (usually a wax). This method, called
heart cutting, allows for increased separation and detection of
trace level components. Heartcuts are helpful in ascertaining identities
of components from complex samples such as coffee and tobacco smoke.
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