1-10 2998 PDA Detector Optics Principles
Averaging spectral resolution
The detector can simultaneously collect two types of data channels: spectra
(3D) and chromatograms (2D). For best results in library matching and peak
purity analysis, set the 3D resolution to 1.2 nm.
For chromatograms (2D data), select a resolution to optimize signal
amplitude, baseline noise, and linear dynamic range. When the monitoring
wavelength for an analyte corresponds to a peak’s lambda max, increasing
bandwidth tends to decrease peak height while reducing baseline noise and
linear dynamic range.
Tip: A resolution of 3.6 nm is effective for many analytes.
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