AB Sciex 4000 QTRAP Manuel du matériel - Page 12
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System Overview
Compound Parameters
In general, you can use the preset values for most of the parameters in
For more information about the parameters, see the Analyst
system.
Table 1-4 Compound Parameters
CAD Gas
DP (Declustering Potential)
EP (Entrance Potential)
CXP (Collision Cell Exit
Potential)
CE (Collision Energy)
CES (Collision Energy Spread)
Fixed LIT Fill Time
DFT (Dynamic Fill Time)
Q0 Trapping
MCS (Multi-Charge Separation)
Barrier
Q3 Entry Barrier
Q3 Empty Time
MS/MS/MS Fragmentation Time Use the preset value.
Q3 Cool Time
TDF CE (Time Delayed
Fragmentation Collision Energy)
IE1 (Ion Energy 1) — For
experienced instrument
operators only
IE3 (Ion Energy 3) — For
experienced instrument
operators only
12
Parameter
Use the preset value and optimize for your
compound.
Use the preset value and optimize for your
compound.
Use the preset value.
Use the preset value and optimize for your
compound.
Use the preset value and optimize for your
compound.
Use the preset value and optimize for your
compound.
Use the preset value.
Either select or deselect the feature based on your
experiment.
In the Tools > Settings > Method Options dialog
box, the Dynamic Fill Time settings are optimized for
the 10000 Da/s scan speed. These settings are also
suitable for other LIT scan speeds.
Either select or deselect the feature based on your
experiment.
The recommended fixed fill time to use with Q0
trapping is 20 ms or greater.
Use the preset value.
Use the preset value.
Use the preset value.
Use the preset value.
Use the preset value.
Do not adjust.
Do not adjust.
Document Number: D1000092200 B
Table
software Help
®
Value
1-4.