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What is Diffidence between Normal Detector and PDA Detector?
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Normal means UV. U can analysis max 2 wavelengths. But in PDA u can analysis range 190 to 800 nm. Also u can check peak purity by using this PDA.
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UVdetector: detect fixed nms( 254nm)
PDA detector: multi nms can detect (190-780 nms) and used stress study for Peak purity scan 3D images and method validation purpose
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Organic Chemistry 
