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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Particle size distribution (Granulometry)

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Reference
Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
Qualifier:
according to guideline
Guideline:
other: CIPAC MT 187 “Particle Size Analysis by Laser Diffraction”
GLP compliance:
yes (incl. QA statement)
Type of method:
Laser scattering/diffraction
Mass median aerodynamic diameter:
51.6 µm
Geometric standard deviation:
0.267
Key result
Percentile:
D90
Mean:
115 µm
St. dev.:
1.4
Key result
Percentile:
D50
Mean:
49 µm
St. dev.:
0.283
Key result
Percentile:
D10
Mean:
13.5 µm
St. dev.:
0.091
Conclusions:
The MMAD was determined to be 51.6 µm. The volume of sample with a particle size of less than 10.00 μm was 5.81%.
Executive summary:

The particle size of the substance was determined by a laser diffraction test, using the dry powder module (DPM). The MMAD was determined to be 51.6 µm. The volume of sample with a particle size of less than 10.00 μm was 5.81%.

Description of key information

The particle size of the substance was determined by a laser diffraction test, using the dry powder module (DPM). The MMAD was determined to be 51.6 µm. The volume of sample with a particle size of less than 10.00 μm was 5.81%.

Additional information