character: Dr. Jane Smith
topic: Applications of Chromatography in Water Quality Analysis
grade: 11
subject: Chemistry
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character: Mr. John Doe
topic: Chromatography Techniques for Environmental Testing
grade: 11
subject: Chemistry
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character: Prof. Emily Johnson
topic: Importance of Water Quality Assessment using Chromatography
grade: 11
subject: Chemistry
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character: Ms. Sarah Lee
topic: Analyzing Contaminants in Water Samples with Chromatography
grade: 11
subject: Chemistry
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