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EC number: 215-230-9 | CAS number: 1314-34-7
Particle size distribution (Granulometry)
Administrative data
Link to relevant study record(s)
Description of key information
Additional information
Granulometry (Woolery, 2009):
D10 = 94.5 µm
D50 = 266.5 µm
D90 = 591.9 µm
Dustiness (Parr & Grewe, 2010)
Total dustiness (airborne fraction): 196.43 mg/g
Mass median aerodynamic diameters (bi-modal distribution) of airborne fraction: MMAD1 = 12.7 µm (15.6 %), MMAD2 = 34.76 µm (84.4 %)
(distribution fitted to cascade impactor data, percentage in parentheses indicates weighting factor).
Geometric standard deviation of MMAD: GSD1 = 3.04, GSD2 = 1.62
Fractional deposition in human respiratory tract (MPPD model, based on calculated MMAD):
Head (ET): 41.7 %
Tracheobronchial (TB): 0.2 %
Pulmonary (PU): 0.4 %
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