Optical Spectrometry

Optical Spectrometry - Optical Spectrometry By Nicole...

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Optical Spectrometry By Nicole Monteleone Lab Instructor: Mr. Bob Neuman October 23, 2006
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Purpose The purpose of this experiment is to obtain specific wavelengths of a light bulb, helium gas and various salt solutions using a hand-held spectroscope and a research quality grade spectroscope. Also to determine the composition of an unknown salt solution and construct a partial energy diagram for hydrogen. Procedure The handheld spectroscope was operated by pointing it towards the light source and then reading the measurements corresponding to the colors that showed up. The research grade spectroscope was connected to a computer with graphing capabilities and when the optical sensor was pointed at the light source a graph was generated on the screen. For the salt solutions, a cotton swab was dipped into a test tube of the solution and then burned over an open flame of a Bunsen burner. This caused them each to give off a certain wavelength of light which could then be measured by the spectroscopes.
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