Agilent 1260 Infinity RID User Manual 69
Using the Refractive Index Detector
4
Operation of the Refractive Index Detector
• Automatic Recycling: This parameter can be used to select between automatic
recycling of the eluent (on) or directing the eluent to the waste outlet of the
RID (off) after the run.
•Time:
Stoptime
Stoptime enables you to set a time at which the RID stops an analysis. If the
RID is used with other Agilent 1200 Infinity Series modules, the RID
stoptime stops the RID only and does not stop any other modules. Limits:
0.00 to 99999.00 minutes, asPump (the stoptime of the pump when an
Agilent pump is configured), asInj (the stoptime of the injector if an Agilent
1200 Infinity Series injector but no Agilent pump is configured) or noLimit
(an infinite run time). The stoptime setting depends on the configured
pump. If you have an Agilent pump with an Agilent injector, then the pump
is the stoptime master (asPump). If you have a non-Agilent pump and an
Agilent 1200 Infintiy Series injector then the injector is the stoptime master
(asInj).
Posttime
You can set the Posttime so that your RID remains in the not ready state
during the Posttime to delay the start of the next analysis. A Posttime period
can be used to allow your column to equilibrate after changes in solvent
composition. Limits: 0 to 99999.00 minutes or Off. Off sets the posttime to
0.0 min.
• Peakwidth: Peakwidth enables you to select the peak width (response time)
for your analysis. The peak width is defined as the width of a peak, in
minutes, at half the peak height. Set the peak width to the narrowest
expected peak in your chromatogram. The peak width sets the optimum
response time for your RID. Limits: When you set the peak width (in
minutes), the corresponding response time is set automatically and the
appropriate data rate for signal acquisition is selected (please refer to the
ChemStation’s Online help for more details).
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