Chem 207 Lab writeup 5 - Optical Spectroscopy Results and...

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Optical Spectroscopy
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Results and Discussion: This experiment was done to find the emission spectra of a variety of materials. The two main goals were: to determine the composition of a solution which contains two or more ionic salts, and to construct a partial energy level diagram for hydrogen. The emission spectra were found using both a handheld spectroscope, and a research grade spectrometer. To find the identity of the unknown salts, a procedure had to be made. The procedure was first tested on known substances to make sure it worked: 1) A compound consisting of NaCl and LiCl was made. 2) Earlier experiments showed that NaCl emission spectrum is at 589.15nm, and LiCl is at 671.01nm. Therefore, the emission spectra of the compound should contain both these wavelengths. 3) A spectroscope and research grade spectrometer was used to found the emission spectra of the compound which turned out to have wavelengths of 589.15nm and 671.01nm. Thus, the procedure was a success and could now be used to find the
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Chem 207 Lab writeup 5 - Optical Spectroscopy Results and...

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