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1220 Infinity II LC System User Manual
Agilent Technologies
8
Detector Description
Detector Types 118
Agilent 1220 Infinity II LC Variable Wavelength Detector (VWD) 119
Detector 119
Agilent 1220 Infinity II LC Diode Array Detector (DAD) 120
Introduction to the Detector 120
Optical System 120
Peak width (response time) 123
Sample and Reference Wavelength and Bandwidth 124
Slit Width 127
Optimizing Spectral Acquisition (DAD only) 129
Margin for Negative Absorbance 130
Optimizing Selectivity 130
Spectrum Settings (DAD only) 134
Match the Flow Cell to the Column 136
This chapter provides an overview of the operational principles of the detector.
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