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How to obtain percent area for a select group of peaks in Empower - WKB22394

Article number: 22394

OBJECTIVE or GOAL

Obtain percent area for a select group of peaks in Empower.

ENVIRONMENT

  • Empower
  • Empower 2
  • Empower 3

PROCEDURE

  1. Open the processing method that will be used to process the data.
  2. Create a named group. (In this example we use "test_group".)
  3. Add the peaks that will make up the total area for the group.
  4. Save the processing method.
  5. Create a custom field with the field type "peak" and the data type "real".
  6. The custom field formula is "area/test_group[area]*100".
  7. Name the field.
  8. Process the data.

ADDITIONAL INFORMATION

This procedure allows a user to obtain the percent area of a peak against a select group of peaks, instead of all of the integrated peaks in a chromatogram.

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