character: Dr. John Doe
topic: Principles of Chromatography in Environmental Chemistry
grade: 11
subject: Chemistry
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character: Dr. Jane Smith
topic: Applications of Chromatography in Water Quality Testing
grade: 11
subject: Chemistry
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character: Professor Emily White
topic: Environmental Impact of Chromatography Techniques
grade: 11
subject: Chemistry
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character: Dr. Alex Green
topic: Chromatography: Separating Pollutants in the Environment
grade: 11
subject: Chemistry
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