character: Professor John Doe
topic: Applications of Chromatography in Analytical Chemistry
grade: 11
subject: Chemistry
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character: Analytical Chemist
topic: Principles of Chromatography Techniques
grade: 11
subject: Chemistry
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character: Laboratory Technician
topic: Uses of Chromatography in Drug Testing
grade: 11
subject: Chemistry
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character: Research Scientist
topic: Advancements in Chromatography Methods
grade: 11
subject: Chemistry
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