when we use pda detector in hplc instead of uv detector
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Answer Posted / bujji reddy
1.PDA Stands for PHOTO DIODE ARRAY DETECTOR.
It is Used to take Multi wavelength chromatograms.
2.The purity of the peak is good or not will be known by
PDA.
3.For Example your sample has three componets. each
componenet has different wavelength maxima. in that case it
is not possible by UV in singl injection. we can do it by
PDA Detector only.
4.In case of UV, It is dual wavelength detector only.
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