Lab 2 Essay

501 WordsMay 5, 20143 Pages
Chromatography of Food Dyes Peter Jeschofnig, Ph.D. Version 42-0148-00-01 Lab RepoRt assistant This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions, diagrams if needed, and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable file which can be sent to an instructor. obseRvations Enter data tables, observation questions from the procedures and descriptions of diagrams to be drawn or pictures to be included here, one per text box. Data Table Sheet 1: FD&C Food Colors | Color | Blue1 | Blue2 | Red3 | Red40 | Yellow5 | Yellow6 | Solvent | Distance (mm) | 3.2cm | 0.3cm | 0.5cm | 1.4cm | 3.7cm | 1.7cm | 3.5cm | Rf | 0.91 | 0.086 | 0.14 | 0.4 | 1.1 | 0.49 | | Data Table Sheet 1: Drink Mixes | Substance | Kool-Aid® Grape | Kool-Aid® Cherry | Solvent | Distance (mm) | 2.8cm | 0.7cm | 3.5cm | Rf | 0.8 | 0.2 | | | Data Table Sheet 2: Store Food Colors | Substance | Store Red | Store Yellow | Store Green | Store Blue | Unknown | Solvent | Distance (mm) | 2.3cm | 2.7cm | 3.9cm | 4.1cm | 4cm | 4.1cm | Rf | 0.56 | 0.66 | 0.95 | 1 | 0.98 | | Data Table Sheet 2: Candy Colors | Substance | M&M Green | M&M Orange | M&M Blue | M&M Red | Solvent | Distance (mm) | 0cm | 1.6cm | 0cm | 0.5cm | 4.1cm | Rf | 0 | 0.39 | 0 | 0.12 | | RF Value =Compound distanceSolvent Distance Questions A. Why can’t a pen be

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