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Lab 2 - Emily Bissel MS 1116 Thursday AM Lab partner Becca...

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Distance spot moved Distance Solvent move 27.3 80 78.5 80 35.4 35 80 21.9 80 55.1 80 21.8 80 80.0 80 49.1 80 43.5 80 41.3 80 20.5 80 74.3 80 65.9 80 Emily Bissel September 13, 2007 MS# 1116 Thursday AM Lab partner: Becca Angell Separation of Mixtures by Chromatography Introduction: The purpose of this lab was to to use chromatography to determine the various color components within commercial dyes that are used for every-day purposes. Because each color within the dye exhibits different chemical and physical properties, the various colors will travel different distances up the paper depending on their properties. An unidentified color was also added, and by comparing the distances which each commercial color traveled, the various components of the unidentified dye could be determined. In addition to testing the dyes, various metal cations were tested to discover the ingredients of an unidentified mixture. By viewing the various distances traveled by each ion up the paper, the travel distances could be used to compare that of those in the mixture and determine which elements the mixture contained.
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