Waters 2996, Operator'S Manual

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List of Figures xv
1-1 Waters 2996 PDA Detector Dimensions.................................................... 2
1-2 Detector Rear Panel ................................................................................... 3
1-3 Example of IEEE-488 Cable Connections................................................. 4
1-4 Locating the IEEE-488 Switches ............................................................... 5
1-5 Analog Out Terminal Strip......................................................................... 7
1-6 Event Input/Output Terminal Strip ............................................................ 8
1-7 Compression Screw Assembly ................................................................ 11
1-8 2996 Detector Indicator Lights ................................................................ 12
3-1 Removing the Flow Cell Assembly ......................................................... 21
3-2 Flow Cell and Fluidic Connections Assemblies ...................................... 22
3-3 Disassembling the Flow Cell ................................................................... 23
3-4 Lamp Power Connector and Mounting Screws ....................................... 26
3-5 Fuse Block ............................................................................................... 27
4-1 Optics Assembly Light Path .................................................................... 30
4-2 Benzene Spectrum at 1.2 nm Resolution ................................................. 32
4-3 Photodiodes Discharged by Light ............................................................ 33
4-4 Absorbance as a Function of Concentration ............................................ 36
5-1 Comparing Spectra of Two Compounds.................................................. 42
5-2 Plotting Vectors for Two Spectra ............................................................. 43
5-3 Spectra with a Large Spectral Contrast Angle ......................................... 45
5-4 Spectra with a Small Spectral Contrast Angle......................................... 46
5-5 Absorbance Spectra of a Compound at Two Concentrations .................. 47
5-6 Effects of pH and Solvent Concentration on the Absorbance Spectrum of
p-Aminobenzoic Acid ............................................................................. 49
List of Figures