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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:
2002
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
other: European Commission, ECB/TM/February 1996
Principles of method if other than guideline:
measurement using "Laser diffraction method"
GLP compliance:
yes
Type of method:
Laser scattering/diffraction
Type of distribution:
counted distribution
Percentile:
D50
Mean:
< 22.1 µm
Remarks on result:
other: SD= 0.992(migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.)
Remarks:
mean of 4 measurements
Percentile:
D10
Mean:
< 9.6 µm
St. dev.:
0.651
Percentile:
D90
Mean:
< 40.9 µm
St. dev.:
0.919
Conclusions:
The particle size distribution of test substance was determined to be MMD= <22.1 µm

Description of key information

The study provided was conducted to recognised testing guidelines and with GLP certification.

Additional information

MMD= 22.1 µm

D10= 9.6 µm

D90= 40.9 µm

The particle size distribution was conducted by laser diffraction method