Chapter+19+Overheads

Chapter+19+Overheads - Types of Spectrophotometers Figure...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
Block Diagram of Double-Beam Spectrophotometer: Block Diagram of Single-Beam Spectrophotometer: Figure 19-1: Daniel C. Harris, Quantitative Chemical Analysis , 8 th edition. Figure 17-4: Daniel C. Harris, Quantitative Chemical Analysis , 8 th edition. Types of Spectrophotometers
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
+ - Tungsten Filament  Electrically Heated  (T  ~ 3000 K) Vacuum Sealed Tube Voltage Applied to Filament • Provides a distribution of wavelengths: 350 to 2500 nm • Continuum Source of Visible Radiation Light Sources: The Tungsten Filament
Background image of page 2
+ - Vacuum Sealed Tube  Filled with D 2 • Continuum Source of Ultraviolet (UV) Radiation • Provides a distribution of wavelengths:  180 nm to 370 nm Light Sources: The Deuterium Arc Lamp
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
UV Region Visible Region IR Region Globar Used in this Region Light Emission Profiles Figure 19-3: Daniel C. Harris, Quantitative Chemical Analysis , 8 th edition.
Background image of page 4
Silicon Carbide Rods Light Sources: Globar
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Figure 19-5b: Daniel C. Harris, Quantitative Chemical Analysis , 8 th edition.
Background image of page 6
Image of page 7
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/06/2011 for the course CHEM 241 taught by Professor Tiani during the Fall '08 term at UNC.

Page1 / 20

Chapter+19+Overheads - Types of Spectrophotometers Figure...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online