4. In the experiment TLC: (a) When the best separations are achieved, what values range do R, fall between? (3 points) (b) A student analyzed a sample by TLC and developed it with a mixture solvent, 20% methanol in CH2Cl2. The developed TLC plate is shown below. Please improve the separation condition and explain. You don't need to calculate. (5 points) OCH На OCH
4. In the experiment TLC: (a) When the best separations are achieved, what values range do R, fall between? (3 points) (b) A student analyzed a sample by TLC and developed it with a mixture solvent, 20% methanol in CH2Cl2. The developed TLC plate is shown below. Please improve the separation condition and explain. You don't need to calculate. (5 points) OCH На OCH
Chapter33: High-performance Liquid Chromatography
Section: Chapter Questions
Problem 33.12QAP
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Question
![4. In the experiment TLC:
(a) When the best separations are achieved, what values range do R, fall between? (3 points)
(b) A student analyzed a sample by TLC and developed it with a mixture solvent, 20%
methanol in CH2Cl2. The developed TLC plate is shown below. Please improve the
separation condition and explain. You don't need to calculate. (5 points)
OCH
На
OCH](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd1101c25-90c5-4246-a95f-e96db8661769%2F5d04316a-3d31-44d0-bc75-4b3eb6898352%2Fzn4v6pa_processed.jpeg&w=3840&q=75)
Transcribed Image Text:4. In the experiment TLC:
(a) When the best separations are achieved, what values range do R, fall between? (3 points)
(b) A student analyzed a sample by TLC and developed it with a mixture solvent, 20%
methanol in CH2Cl2. The developed TLC plate is shown below. Please improve the
separation condition and explain. You don't need to calculate. (5 points)
OCH
На
OCH
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