3.2 - Microscopy for Shape and Morphology
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Practice Questions
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What is particulate matter?
💡 Hint: Think about what we breathe in every day.
Name one technique used to measure PM.
💡 Hint: Consider methods involving light.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Which measurement technique uses lasers to size particles?
💡 Hint: Think of methods that involve vision.
True or False: Aerodynamic diameter and optical diameter can sometimes be the same.
💡 Hint: Consider their definitions.
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Challenge Problems
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Given a sample of particulate matter with varying shapes, outline a method for determining its composition while addressing possible challenges in analysis.
💡 Hint: Consider both instrumental analysis and sample preparation steps.
In a study of air quality, researchers find discrepancies in PM measurements from different sensors. Discuss how standard particles could be employed to calibrate these instruments.
💡 Hint: Think about how ensuring consistency can help resolve discrepancies.
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