character: Mr. John Smith
topic: Basics of Chromatography Techniques for Students
grade: 11
subject: Chemistry
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character: Ms. Emily Johnson
topic: Understanding Paper Chromatography
grade: 11
subject: Chemistry
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character: Dr. Alice Brown
topic: Applications of Thin Layer Chromatography
grade: 11
subject: Chemistry
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character: Mr. Robert Wilson
topic: Gas Chromatography: Principles and Applications
grade: 11
subject: Chemistry
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