HP Data Explorer 4 Series Uživatelský manuál stáhnout pdf (Strana 180)

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Chapter 4 Examining Chromatogram Data

4-8 Applied Biosystems

From the

Spectrum window

To create an extracted ion chromatogram for a mass range

from the Spectrum window:

1. Click the Chromatogram window to activate it.

2. Select Duplicate Active Trace from the Display menu to

keep the original data displayed after processing.

3. In the Spectrum window, right-click-drag over the mass

region of interest in the extracted ion chromatogram. The

width of the box you draw defines the precise mass range

used in the extracted ion chromatogram.

The extracted ion chromatogram is displayed in the

Chromatogram window (Figure 4-2) with the mass

range indicated in the trace label.

Figure 4-2 Extracted Ion Chromatogram

4. To return to the original trace, see “Returning to the

original trace” on page 4-4.

Extracted ion chromatogram

(center window)

1 2 ... 175 176 177 178 179 180 181 182 183 184 185 ... 446 447

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