Chapter 25: Instruments for Chapter 25: Instruments for Optical SpectroscopyOptical Spectroscopy
CHE 321: Quantitative Chemical AnalysisCHE 321: Quantitative Chemical AnalysisDr. Jerome Williams, Ph.D.Dr. Jerome Williams, Ph.D.
Saint Leo UniversitySaint Leo University
OverviewOverview
• Instrumental 101Instrumental 101– Radiation SourcesRadiation Sources– Wavelength SelectorsWavelength Selectors– DetectorsDetectors– Signal Processor & ReadoutSignal Processor & Readout
Instrumental 101
• Components in Optical Spectrometer– Radiation Source– Wavelength Selector– Sample Compartment– Detector– Signal Processor & Readout
Figure 25-1 p684
Figure 25-1a p684
Figure 25-1b p684
Figure 25-1c p684
Radiation Sources
• Choice of Source depends on several factors– Instrumental Technique Employed– Region of Electromagnetic Spectrum– Availability– Cost
Figure 25-2 p685
Table 25-1 p686
Table 25-2 p700
Figure 25-18 p709
Figure 25-19a p711
Figure 25-19 b p711
