Waters 2998, Руководство оператора

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Table of Contents vii
Copyright notice ................................................................................................... ii
Trademarks ............................................................................................................ ii
Customer comments ............................................................................................ iii
Contacting Waters ............................................................................................... iii
Safety considerations .......................................................................................... iii
Safety advisories ................................................................................................. iv
Operating this instrument ................................................................................. iv
Applicable symbols ............................................................................................. iv
Audience and purpose......................................................................................... iv
Intended use of the 2998 Photodiode Array detector......................................... v
Calibrating ........................................................................................................... v
Quality-control ..................................................................................................... v
ISM classification .................................................................................................. v
ISM Classification: ISM Group 1 Class B .......................................................... v
EC authorized representative ........................................................................... vi
1 2998 PDA Detector Optics Principles ................................................ 1-1
Detector optics ................................................................................................... 1-2
Calculating absorbance ................................................................................... 1-3
Flow cell operating principles ....................................................................... 1-4
Resolving spectral data ................................................................................... 1-5
Measuring light at the photodiode array .................................................... 1-6
Optimizing the signal-to-noise ratio ............................................................... 1-7
Optimizing filter constants ............................................................................. 1-7
Selecting the appropriate sampling rate ........................................................ 1-7
Computing absorbance data points .............................................................. 1-9
Dark current .................................................................................................... 1-9
Table of Contents