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MS Method Experiments
MS Method Parameters on page 93
.
Use the MS Method workspace to create or edit MS methods. An MS method can contain one or more experiments.
By default, a new TOF MS method contains one experiment.
The types of MS experiments available are as follows:
• Three basic method experiments: TOF MS, TOF MSMS, and Q1
• Three combined method experiments: IDA, SWATH, and MRM
HR
In addition, a step-by-step procedure is available to guide the creation of an MRM
HR
experiment. After the procedure
is completed, the parameters are used to populate the MRM
HR
method.
Table 6-6 Basic Method Experiment
Definition
Type
Mass analysis using the TOF region. The
m/z
values of the ions are retained based on
their flight time in the TOF region.
TOF MS
The precursor ion is selected using the quadrupole mass filter. Then m/z value of the
fragment ions are returned based on their flight time in the TOF MS regions. This experiment
is used to determine the structure of the compounds.
TOF MSMS
A data acquisition using the quadrupole mass filter. The ion intensity is returned for masses
in the scan range.
Q1
System User Guide
SCIEX X500 QTOF System
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Operating Instructions—Software