Transcript
- Slide 1
- UVVis Molecular Absorption Spectrometry Chapter 13
- Slide 2
- Slide 3
- Measurement of Transmittance and Absorbance
- Slide 4
- Absorption Cell
- Slide 5
- Effect of Polychromatic Radiation
- Slide 6
- Instrument Noise Effect on Transmittance and Absorbance
- Slide 7
- Molecular Absorption Measurements Components
- Slide 8
- Output from a Deuterium Lamp
- Slide 9
- Typical Sourses of Light Deuterium Lamp Tungsten Lamp
- Slide 10
- Blackbody Radiation Curves
- Slide 11
- Spectral Bandwidth
- Slide 12
- Slide 13
- Effect of Slit Width
- Slide 14
- Slit Width and Resolution
- Slide 15
- Resolution
- Slide 16
- Interference Filter
- Slide 17
- Transmission Characteristics of Transmission Filter
- Slide 18
- Absorption vs. Interference Filter
- Slide 19
- Prism Monochromator
- Slide 20
- Grating Monochromator
- Slide 21
- Echellette Grating
- Slide 22
- Dispersion for Three Types of Monochromator
- Slide 23
- Combination Absorption Filter
- Slide 24
- Photon Transducers
- Slide 25
- Phototube
- Slide 26
- Photomultiplier
- Slide 27
- Single-Beam Instrument
- Slide 28
- Double-Beam Instrument beams separated in space
- Slide 29
- Double-Beam Instrument beams separated in time
- Slide 30
- Single- and Double-Beam Photometer
- Slide 31
- Spectronic 20
- Slide 32
- Double-Beam Spectrophotometer UV-Vis
- Slide 33
- Double-Beam Recording Spectrophotometer UV-Vis
- Slide 34
- Double-Dispersing Spectrophotometer
- Slide 35
- Multichannel Spectrophotometer grating and photodiode array transducer
- Slide 36
- Multichannel Diode Array Spectrometer
- Slide 37
- End