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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Method similar to OECD guideline 110.
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions)
Deviations:
no
GLP compliance:
not specified
Type of method:
Laser scattering/diffraction
Type of distribution:
volumetric distribution
Key result
Percentile:
D50
Mean:
19.65 µm
Remarks on result:
other: Mean: 25.71 μm; S.D.: 22.62 μm ( 'Mass median diameter' as D50 percentile. No source field for Standard deviation.)
Key result
Percentile:
D10
Mean:
2.984 µm
Remarks on result:
other: Mean: 25.71 μm; S.D.: 22.62 μm
Key result
Percentile:
D50
Mean:
19.65 µm
Remarks on result:
other: Mean: 25.71 μm; S.D.: 22.62 μm
Key result
Percentile:
other: D100
Mean:
194.2 µm
Remarks on result:
other: Mean: 25.71 μm; S.D.: 22.62 μm

The median diameter is 19.65 μm.

Conclusions:
The median diameter is 19.65 μm.
Executive summary:

The objective of the study was to determine the particle size distribution of the test substance using a Beckman Coulter LS Particle Size Analyzer. The median diameter is 19.65 μm.

Description of key information

Key study: The objective of the study was to determine the particle size distribution of the test substance using a Beckman Coulter LS Particle Size Analyzer. The median diameter is 19.65 μm.

Additional information

Key study: The objective of the study was to determine the particle size distribution of the test substance using a Beckman Coulter LS Particle Size Analyzer. The median diameter is 19.65 μm.