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Chapter 1: UV-Visible & Fluorescence Spectroscopy
Chapter 1: UV-Visible & Fluorescence Spectroscopy 4 Figure 1-3: An example UV-Vis spectrum, showing a λmax at 591.1 nm. 1.4 Fluorescence Spectroscopy Fluorescence is a complementary technique to UV-Vis absorption. It occurs in the same wavelength range, but results from an excited state emitting a photon of a lower energy than it absorbed.
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Chapter 1: NMR Coupling Constants - orgchemboulder.com
www.orgchemboulder.comChapter 1: NMR Coupling Constants 2 Figure 1-2: The NMR spectrum of 1,1-dichloroethane, collected in a 60 MHz instrument. For both A and B protons, the peaks are spaced by 0.1 ppm, equal to 6 Hz in this instrument. This time, the peak spacing is 0.1 ppm. This is equal to a J constant of (0.1 ppm • 60 MHz) = 6 Hz, the same as before.
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www1.udel.eduin the case of IR spectroscopy, electronic spectroscopy of molecules includes a " ne structure" arising from vibrational-rotational transitions associated ... Fluorescence is a radiative transition from the lowest vibrational state of excited states back …
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