TLC2 discussion and questions

TLC2 discussion and questions - Patrick Browne Section 102...

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Patrick Browne Section 102 Karen Dehnert TLC Lab 2 The goal of plates four and five were to determine what two adulterants, one of which was ours, one not, made up the mixture. Before even running plate four we noticed that our mixed sample (724) smelled a great deal like our clove sample (722). After running the plates one of the spots, matched up exactly with the spot for cloves and both were not stained by DNPH. This verified our guess that one of the herbs making up our mixture was clove. We then compared the other main spots on our plates with the already collected data from other groups. First of all, on all three of our plates there were three spots for the mixture, one that lined up with cloves, one lower, and one higher. The fact that there were two distinct made narrowing down the possibilities simpler. It was noticed that sample 711, lemon verbena, also had two spots. These spots lined up with each individual’s other spots that were used for the same solvent. Because of this, our final
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TLC2 discussion and questions - Patrick Browne Section 102...

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