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HAPSITE ER Operating Manual
4 Select the desired file for subtraction from the drop-down menu. This will 
generally be the file for the blank. (See Figure 8-110.)
Figure 8-110  Selecting the Desired File
5 Right-click on the chromatogram. Right-click on the chromatogram. Click 
Select Chro to Subtract. (See Figure 8-111.)
Figure 8-111  Select Chro to Subtract
6 The desired chromatogram will be subtracted. Note the new TIC of the selected 
peak. (See Figure 8-112.)
Figure 8-112  New TIC