Tag Archives: UV Detection

HPLC Detector Types Explained: UV, PDA, Fluorescence, RI and CAD

HPLC detector types including UV fluorescence refractive index and charged aerosol detection

Compare the principal HPLC detector types, including UV, PDA, fluorescence, refractive index and charged aerosol detection. Learn how analyte properties, mobile phases, sensitivity and analytical objectives determine which detector is appropriate.

HPLC Detection Wavelength Explained: UV Response, Sensitivity and Selectivity

HPLC detection wavelength comparing UV response at different wavelengths

HPLC detection wavelength determines which UV-absorbing compounds produce measurable signals and how strongly they respond. Learn why chromatograms, impurity profiles and reported area percentages can change when a different wavelength is selected.