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Related Experiment Videos

Precision aerosol divider.

V A Marple, K T Whitby, B R Olson

    American Industrial Hygiene Association Journal
    |February 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    A new aerosol divider precisely splits airflow for calibrating mass monitors. This device collects most particles on a filter, ensuring accurate calibration standards for aerosol research.

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    Area of Science:

    • Environmental Science
    • Engineering
    • Physics

    Background:

    • Accurate calibration of aerosol monitoring equipment is crucial for environmental and health studies.
    • Existing methods for aerosol division may lack precision, impacting data reliability.

    Purpose of the Study:

    • To design and evaluate a novel precision aerosol divider.
    • To establish a reliable method for calibrating aerosol mass monitors.

    Main Methods:

    • A custom-designed aerosol divider was constructed.
    • The divider was tested to determine its flow split ratio and collection efficiency.
    • A 17 to 1 flow split was implemented.

    Main Results:

    • The designed aerosol divider achieved a precise 17 to 1 flow split.

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  • The device successfully collected 94.4% of the aerosol on a filter.
  • The remaining 5.6% was delivered to the mass monitor for calibration.

    • Conclusions:

    • The developed aerosol divider is effective for precise aerosol stream separation.
    • This device serves as a valuable tool for accurate mass monitor calibration in aerosol science.