Transcription of Chapter 4 Ultraviolet and visible Absorption Spectroscopy
{{id}} {{{paragraph}}}
Example: biology
Chapter 4 Ultraviolet and visible Absorption Spectroscopy
Chapter 4 Ultraviolet and visible Absorption Spectroscopy Properties of Electromagnetic Radiation Electromagnetic Radiation energy radiated in the form of a WAVE caused by an electric field interacting with a magnetic field result of the acceleration of a charged particle does not require a material medium and can travel through a vacuum Electromagnetic Radiation Electromagnetic Radiation vi = n li where vi => velocity n => frequency li => wavelength Electromagnetic Spectrum Type of Transition Wavelength Range Frequency Range (Hz) Type of Radiation nuclear <1 pm 1020-1024 gamma-rays inner electron 1 nm-1 pm 1017-1020 X-rays outer electron 400
ultraviolet 1015-1017 outer electron 750 nm-400 nm visible 4-7.5x1014 outer electron molecular vibrations 2.5 µm-750 nm 1x1014-4x1014 near-infrared molecular vibrations 25 µm-2.5 µm infrared 1013-1014 molecular rotations, electron spin flips* 1 mm-25 µm 3x1011-1013 microwav es <3x1011 >1 mm nuclear spin flips* radio waves Electromagnetic ...
Loading..
Tags:
Information
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document: