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1.) 2.) 3.) Why must the baseline be above the solvent level in the TLC chamber? Why are pencils used on TLC plates and pens never are? Why is it important to not let the solvent line travel past the end of the TLC plate?

1.) 2.) 3.) Why must the baseline be above the solvent level in the TLC chamber? Why are pencils used on TLC plates and pens never are? Why is it important to not let the solvent line travel past the end of the TLC plate?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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1. Why must the baseline be above the solvent level in the TLC chamber? 2. Why are pencils used on TLC plates and pens never are? 3. Why is it important to not let the solvent line travel past the end of the TLC plate? 4. If a TLC was run in a solvent system that caused all the spots to show up at the baseline, how could the system be adjusted so that usable Rf values could be determined?
Transcribed Image Text:1. Why must the baseline be above the solvent level in the TLC chamber? 2. Why are pencils used on TLC plates and pens never are? 3. Why is it important to not let the solvent line travel past the end of the TLC plate? 4. If a TLC was run in a solvent system that caused all the spots to show up at the baseline, how could the system be adjusted so that usable Rf values could be determined?
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