Empower Tip: Review Window and the Processing Method

Wouldn’t it be nice if when you bring 3D PDA data into Review it automatically displayed a chromatogram? And the chromatogram was integrated with lambda max for each peak displayed? Guess what? Empower can be set up to do this and it is easy.

We start out in Review with a channel for a sample. The contour plot is displayed, however, there is no chromatogram, peak information nor any spectra. In the lower portion of the window the Method Set and Processing Method are both Untitled.

From the Options menu select Method Set Options.

The Method Set Options dialogue box opens. This lets you pick a Method Set that will be automatically applied to the data when you open Review. The Method Set you select must contain a derived channel for a specified wavelength (or MaxPlot) and a Processing Method for this to work properly. The first option tells Empower to open and apply the Acquisition Method Set, or in plain terms, the Method Set used when you injected the samples.

The second option tells Empower to open and apply a specified Method Set. This option requires that you select a Method Set from the list. Check the box that says Automatically Apply Method Set and click OK.

Now, if we take the same channel into Review, the Method Set is automatically opened and applied. The wavelength of interest is extracted, the chromatogram is integrated with all of the peak information and, the name of the Method Set and Processing Method appear in the lower portion of the window.

Be sure to include the Peak Lambda Max field in the peaks table to display the lambda max for each peak. You can also include the lambda max as a peak label. Right-click in the chromatogram and select Properties.

On the Peak Labels tab select Peak Lambda Max as one of the labels and click OK.

The lambda max appears as a label for each peak.