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Unformatted text preview: resulting in different observations. Designing a New Instrument The instrument would have to be similar to a spectrophotometer. It would have to notice a change in color. The only way the instrument could achieve this is by measuring a change in the wavelength of light being absorbed and emitted. Therefore, the experiment would begin when the wavelength corresponded with the color of the dye. The experiment would be finished when multiple unique wavelengths of light were detected. Identity of Dyes in the Unknown Using both the TLC plates and the column, the unknown dye appeared to be composed primar-ily of a blue dye similar to methylene blue, it contained a fair amount of a pink dye similar to methyl red. It also appeared that there was a minute amount of yellow dye mixed with the un-known. Chromatography Cartoon Jones 2...
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