Dust size in microns?

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1durphul
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Dust size in microns?

Post by 1durphul » Mon Aug 04, 2014 2:13 pm

Hey, so I don't know if this is information anybody actually has, but how large is playa dust in microns?
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Eric
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Re: Dust size in microns?

Post by Eric » Mon Aug 04, 2014 5:02 pm

This old thread talks about the chemical composition, but doesn't give microns (unless it's buried in the text of the linked article), and then there is this multi-page thread about the dust you can dig through.
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GreyCoyote
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Re: Dust size in microns?

Post by GreyCoyote » Mon Aug 04, 2014 5:24 pm

That would be a really good question for Rhino, one of our resident geo-dudes. PM the lad if curious.
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FIGJAM
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Re: Dust size in microns?

Post by FIGJAM » Mon Aug 04, 2014 5:26 pm

The second link IS Rino!!! :lol:
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Nutsynico
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Re: Dust size in microns?

Post by Nutsynico » Tue Aug 05, 2014 9:58 am

Here is a good general range for where dust particles fall.
https://www.coloradoci.com/bin-pdf/5270 ... leSize.pdf

However, when I did pharmaceutical testing, most dust is picked up below .5 microns...no idea how that matches up out there
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BeeWeeDee
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Re: Dust size in microns?

Post by BeeWeeDee » Wed Aug 06, 2014 2:40 pm

Here are a few common particle sizes

Pollen 10-100 microns
Cement dust 3-100 microns
Ground Talc 0.5 - 50 micron
Wheat flour 1 - 70 micron
Atm dust 0.001 - 40 micron

Could get a lot more technical on this by looking at the modal distribution and some common methods for classifying particles (D50 D4,5 or D90)
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