Product Intelligence: Photodiode Array Detectors: An Array of Possibilities for (U)HPLC Detection

Many labs working on methods development rely on the diode array detector (DAD) because it allows the user to look at all wavelengths simultaneously. Improved spectral resolution is a feature of modern photodiode array detectors, as is a new type of flow cell that is based on the principle of total internal reflection. Some useful things to keep in mind before purchasing a DAD are the type of lamp to be used, noise, dynamic range, drift, number of pixels or diodes, and data rate.

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