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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

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:
other: Study according to national/international standards

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: DIN 66165: Sieve analysis - dry-sieving; sieves DIN/ISO 3310
Principles of method if other than guideline:
Dry sieving at various pore sizes under vibration, one of the least destructive techniques, was used.
GLP compliance:
not specified
Type of distribution:
other:

Test material

Constituent 1
Chemical structure
Reference substance name:
Carbazole
EC Number:
201-696-0
EC Name:
Carbazole
Cas Number:
86-74-8
Molecular formula:
C12H9N
IUPAC Name:
9H-carbazole
Details on test material:
- Name of test material (as cited in study report): Reincarbazol 97%
- Substance type: organic
- Physical state: solid
- Analytical purity: 97 %

Results and discussion

Particle size
Percentile:
D50
Mean:
ca. 700 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Particle size distribution at different passagesopen allclose all
Size:
400 µm
Distribution:
<= 19.2 %
Size:
800 µm
Distribution:
<= 63.5 %
Size:
1 000 µm
Distribution:
<= 79.2 %
Size:
2 000 µm
Distribution:
<= 99.2

Any other information on results incl. tables

The sizes given above refer to the upper pore sizes of the sieves applied.

Applicant's summary and conclusion