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Physical & Chemical properties

Particle size distribution (Granulometry)

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
April 10,2007 to June 14, 2007
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
other: EUROPEAN COMMISSION, Directorate General JRC, Joint Research Centre. "Particle Size Distribution, Fibre Length and Diameter Distribution" Draft Guidance Document, EUR 20268 EN (2002), Parl5.2 "Laser scattering / diffraction".
Qualifier:
according to guideline
Guideline:
other: European Commission, Document ECB/TM/February 1996: "Particle Size Distribution, Fibre Length and Diameter Distribution" Guidance Document
GLP compliance:
yes (incl. QA statement)
Type of method:
Laser scattering/diffraction
Type of particle tested:
primary particle
Type of distribution:
mass based distribution
Mass median aerodynamic diameter:
< 23.6 µm
Key result
Percentile:
D90
Mean:
< 45.3 µm
St. dev.:
3.646
Key result
Percentile:
D50
Mean:
< 23.6 µm
St. dev.:
1.633
Key result
Percentile:
D10
Mean:
< 9.4 µm
St. dev.:
0.424
Key result
Percentile:
other: D5
Mean:
< 6.4 µm
St. dev.:
0.207

50 % (by mass) of the particles are smaller than 23.6 µm.

Description of key information

The mass median diameter (MMD) was determined to be < 23.6 µm.

Additional information