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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Justification for type of information:
Testing performed by manufacturer using recognised methods.
The substance is typically supplied in water and was dried specifically for testing.
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
Principles of method if other than guideline:
Seiving methods
GLP compliance:
no
Type of method:
sieving
Type of particle tested:
primary particle
Type of distribution:
mass based distribution
Specific details on test material used for the study:
The substance is produced as a solution and it was dried
Mass median aerodynamic diameter:
> 250 µm
Key result
Percentile:
D25
Mean:
> 250 µm
Remarks on result:
other: standard deviation not determined
No.:
#1
Size:
< 250 µm
Distribution:
ca. 23 %
No.:
#2
Size:
< 63 µm
Distribution:
< 2 %

The amount by weight of particles of less than 63 microns (dust) was 2.15 %. The most important part of the quantity used for this test (75.38 %) has a particle size of > 250 µm, which means the dried product is composed mainly of granules.

Conclusions:
The particle size was found to be predominantly > 250 micron.
Executive summary:

The amount by weight of particles of less than 63 microns (dust) was 2.15 %. The most important part of the quantity used for this test (75.38 %) has a particle size of > 250 µm, which means the dried product is composed mainly of granules.

Description of key information

The amount by weight of particles of less than 63 microns (dust) was 2.15 %. The most important part of the quantity used for this test (75.38 %) has a particle size of > 250 µm, which means the dried product is composed mainly of granules.

Additional information