INFICON HAPSITE Smart Plus Chemical Identification System - Manual (Page 321)

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HAPSITE Smart Plus Operating Manual
1 Using the Scan Cursor, select a peak of interest in the chromatogram. Refer to
Figure 9-10 .
2 Perform a manual NIST search by pressing the F7 key or by checking the
Search NIST/User box in the Control Panel. The search shows multiple
results. Refer to
Figure 9-10 .
Figure 9-11 Using Background Subtract
3 Select the background subtract blue triangle from the lower left side of the
chromatogram and drag to an area on either side of the selected peak. Refer
to
Figure 9-11 .
4 The identification is now chlorobenzene with three duplications. The first ID has
an SI# of 706. Refer to
Figure 9-11 .
NOTE: Both background subtract tools can be used if two background subtract
ranges are desired.