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Message: <blockquote data-quote="KendallK" data-source="post: 2688329" data-attributes="member: 436797"><p>I recently did a chemistry lab where you use a handheld spectrometer and had to look at the sun, a fluorescent light, H lamp,He lamp, Kr lamp, Ne lamp and a Xe lamp. We also did flame test of some solutions and where supposed to look through a cobalt glass with the spectrometer and record the colors seen. I'm just confused on how to determine the wavelength from the color ranges I have recorded. Help Please!!!!!</p></blockquote><p></p>