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Physical & Chemical properties

Particle size distribution (Granulometry)

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MMAD were measured for different titanium dioxide samples as given below:
Kronos KR-3333
airborne fraction (bimodal) MMAD1 = 3.26 µm (5.9%) , MMAD2 = 26.6 µm (94.1%)
Geometric standard deviation of MMAD: GSD1 = 1.73, GSD 2 = 1.45
Tiona AT-1
airborne fraction (bimodal): MMAD1 = 2.88 µm (5.8%) , MMAD2 = 44.92 µm (94.2%)
Geometric standard deviation of MMAD: GSD1 = 1.51, GSD 2 = 2.22.
Kronos, K1002
airborne fraction (bimodal): MMAD1 = 4.52 µm (4.6%) , MMAD2 = 34.78 µm (95.4%)
Geometric standard deviation of MMAD: GSD1 = 1.861, GSD 2 = 1.53
Aeroxide P25
MMAD: 174µm
Geometric standard deviation of MMAD: GSD = 1.618µm

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