Optical Spectroscopy - Optical Spectroscopy By Andrew...

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Optical Spectroscopy By: Andrew Corridore Lab Instructor: Claire Ralph October 22, 2007
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Results and Discussion: In this experiment the emission spectrums of: incandescent and fluorescent lights, helium and hydrogen emissions and five different salt solutions, NaCl, LiCl, KCl, CaCl 2 , and SrCl 2 were recorded using both a handheld spectroscope as well as a research grade spectrometer. From the obtained data, the identity of an unknown salt solution mixture was obtained by observing its emission spectrum. Before the salts experiment was conducted, mini experiments were conducted, and the emission spectrum of Fluorescent Light, incandescent light, Helium and Hydrogen were observed with both the handheld spectroscope and the spectrometer. The data recorded are shown in the tables below: Fluorescent Light Spectrum with Handheld Spectroscope Color Wavelength (nm) Intensity (where 10 means really bright and 1 really light) Red 605 – 610 6 Green 590 5 Blue 480 – 500 2 Purple 430 2 Yellow 570 – 590 1
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