1
Q
What are the basic types of particle aerosol shapes?
A
- isometric (spherical)
- platelet (2 long dimensions, 1 short dimension)
- fibers (1 long dimension, 1 short dimension).
2
Q
Fumes
A
- airborne solid particles
- formed by condensation of vapor (metals, plastic, polymers)
- size ranges: 0.001 - 1 um
3
Q
Smoke
A
- Solid or liquid particles
- Formed via combustion
- Size ranges: 0.001 - 1 um
4
Q
Dusts
A
- Solid particles generated by mechanical means
- Size ranges: 0.001 - 100 um
5
Q
Mists
A
- Liquid droplets in air generated by atomization or condensation
- Sizes: 0.1 - 100 um
6
Q
Inhalable particle cut size
A
≤ 100 um
7
Q
Thoracic particle cut size
A
≤ 10 um
8
Q
Respirable particle cut size
A
≤ 4
9
Q
Fiber
A
- Particulate with an aspect ratio of 3:1
-Sizes: 0.001 - 100 um
10
Q
Aerosol
A
Liquid or solid particles dispersed in the air
11
Q
Fog
A
Droplet aerosols produced by the condensation of vapors
Analytical Chemistry
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