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3 cards from this section. Quick, good the night before a test.
What is gravimetric measurement?
Think about how we measure weight directly.
Name a standard particle's characteristic.
What does 'standard' tell you?
What is the primary purpose of gravimetric measurement?
Think about the technique's core function.
True or False: Optical methods always provide the same size measurements as gravimetric methods.
Consider how each method approaches measurement.
Consider a scenario where two different instruments yield differing PM 10 measurements. Discuss how you would investigate the discrepancies and the importance of standards in your findings.
Focus on the role of calibration and controlled experiments.
Analyzing a roadside PM sample shows a significant amount of organic carbon. Propose a method to quantify the organic carbon and justify your chosen approach.
Think about the tools and techniques discussed for organic analysis.
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