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Setting the parameters for the
M690
Controller is easy. Each of the parameters is explained below.
For more information on a parameter, just click on it.
Equilibration
time: The preset time
between boil-up and collection of the first fraction when the distillation
system is in total reflux.
Start up
heating rate: the
amount of heat applied to the pot flask (boiler) at the beginning of the
distillation process.
Open
Cut 1(Fraction):
the temperature at which cut 1(fraction) will begin to be collected
Close
Cut 1(Fraction):
the Close Cut is the temperature at which cut 1(fraction) will stop
being collected.
Reflux
ratio 1: ratio between the boil
up rate and the take-off rate during cut 1(fraction).
Heating
rate 1: the amount of
heat applied to the pot flask (boiler) during cut 1(fraction).
Automatic Shutdown Temperature:
the maximum allowable temperature for the pot flask (boiler).
Above this temperature the distillation will be automatically
discontinued.
The M690 microprocessor
allows all
of these parameters to be set and saved in advance. Up to 50 solvent
recycling protocols can be stored. These parameters can be modified
during the distillation.
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