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3 cards from this section. Quick, good the night before a test.
What is the primary purpose of gravimetric measurements?
Think of the physical mass collected.
Name one advantage of using standard particles in measurements.
Consider how you ensure reliability.
What technique is used to measure particulate matter using a filter?
Focus on the collection method.
True or False: Optical diameter and aerodynamic diameter are the same.
Recall the definitions of each type.
If an environmental scientist discovers discrepancies in PM measurements from two different methods, how should they proceed to investigate the cause of these discrepancies?
Consider factors that affect measurement reliability.
How would you analyze the effects of different filter materials on the extraction of organic versus inorganic compounds from particulate matter?
Think about how each filter could affect the results.
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