14 1260 Infinity II Analytical-Scale & Bio-inert Fraction Collector User Manual
1
Introduction
Fraction Collector Principle
Fraction Collector Principle
The movements of the Fraction Collector components during the sequence are
monitored continuously by the Fraction Collector processor. The processor
defines specific time windows and mechanical ranges for each movement. If a
specific step of the sequence is not completed successfully, an error message is
generated.
The standard fractioning sequence occurs in the following order:
1 The Fraction Collector starts always from the home position.
2 When the sample is injected, the fraction probe with diverter valve moves to
the required position.
3 When the trigger is given by the detector, the diverter valve opens to collect
the fraction.
4 When the trigger is given by the detector, the diverter valve closes and the
arm moves to the next fraction position or back to the home position if this
function is chosen in the CDS.
Fractioning Sequence
Before the start of the sequence, and during an analysis, the diverter valve is
in the fraction start position. In this position, the mobile phase flows through
the diverter valve towards waste.
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