Chem 2510 Lab 4 Data and TLC Plate Diagrams

Chem 2510 Lab 4 Data and TLC Plate Diagrams - Lab 4 Data...

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Lab 4 Data and TLC Tables for: Analysis of Peppermint Leaf and Spearmint Leaf Extracts by Thin Layer Chromatography Chem 2510
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Results and Discussion: Spearmint and Peppermint were compared using TLC. By separating the components through TLC and comparing them to the known common terpenes (R)-(-)-carvone, and (1R,2S,5R)-(-)-menthol. The relative effectiveness of using UV light versus iodine vapors for visualizing the product spots is also experimented with and compared. TLC Plate Copies: Trial #1: Solvent front M C S P Initial Spotting Line M = (1R,2S,5R)-(-)-menthol C = (R)-(-)-carvone S = Spearmint Oil P = Peppermint Oil
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Trial #2: Plate Diagrams Solvent front C Initial Spotting Line P Solvent front M Initial Spotting Line S
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Table 1: Calculated R f s for each Visible Component Trial #1 Initial Spot Calculated Rfs Carvone 0.320 Spearmin t 0.320 Trial #2 Carvone 0.261 Peppermi nt .204, .299, .530 Spearmin t 0.327 Erica Crump's Results Trial #1: Peppermi nt 0.24, 0.35, 0.64 Spearmin t 0.33
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This note was uploaded on 01/10/2009 for the course CHEM 2510 taught by Professor Russo,s during the Fall '07 term at Cornell University (Engineering School).

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Chem 2510 Lab 4 Data and TLC Plate Diagrams - Lab 4 Data...

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