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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
20 Dec 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Qualifier:
equivalent or similar to guideline
Guideline:
EPA OPPTS 830.7520 (Particle Size, Fiber Length, and Diameter Distribution)
Deviations:
not specified
Principles of method if other than guideline:
- Short description of test conditions: Please see attachment.
GLP compliance:
no
Type of method:
electrical sensing zone (e.g. Coulter) method
Key result
Percentile:
D10
Mean:
<= 6.219 µm
St. dev.:
14.31
Key result
Percentile:
D50
Mean:
<= 18.72 µm
St. dev.:
14.31
Key result
Percentile:
D90
Mean:
<= 43.2 µm
St. dev.:
14.31
Conclusions:
The result from this study showed that 50% of the particles of this substance are (D50) <= 18.72 µm.

Description of key information

The result from this study showed that 50% of the particles of this substance are (D50) <= 18.72 µm.

Additional information