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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Study period:
2009-01-21
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: not GLP

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
2009
Report date:
2009

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
other: DIN EN 725/T5
Principles of method if other than guideline:
Laser-granulometry (Cilas 1064), see attached document
GLP compliance:
no
Type of method:
Laser scattering/diffraction
Type of distribution:
other: light diffraction

Test material

Constituent 1
Chemical structure
Reference substance name:
Spinel (Mg(AlO2)2)
EC Number:
215-105-9
EC Name:
Spinel (Mg(AlO2)2)
Cas Number:
1302-67-6
Molecular formula:
AlO2.1/2Mg
IUPAC Name:
magnesium dialuminium oxide

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D10
Mean:
0.4 µm
St. dev.:
0
Percentile:
D50
Mean:
1.9 µm
St. dev.:
0
Percentile:
D90
Mean:
12.2 µm
St. dev.:
0
Percentile:
other: D100
Mean:
36 µm
St. dev.:
0

Applicant's summary and conclusion

Conclusions:

D10: 0.4 µm
D50 : 1.9 µm
D90: 12.2 µm
D100: 36 µm
Executive summary:

D10: 0.4 µm

D50 : 1.9 µm

D90: 12.2 µm

D100: 36 µm