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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2017-08-17
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
Version / remarks:
1981
Deviations:
no
Qualifier:
according to guideline
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
Version / remarks:
2009
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: CIPAC MT 187
Version / remarks:
2009
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
2017-02-28
Type of method:
Laser scattering/diffraction
Type of distribution:
volumetric distribution

Test material

Constituent 1
Reference substance name:
Cesium fluoroaluminate
EC Number:
604-086-6
Cas Number:
138577-01-2
IUPAC Name:
Cesium fluoroaluminate
Test material form:
solid: particulate/powder
Details on test material:
- State of aggregation: solid, white powder
Specific details on test material used for the study:
- Storage conditions: Ambient temperature, dry, tightly closed in original container

Results and discussion

Remarks on result:
not measured/tested
Particle sizeopen allclose all
Percentile:
D10
Mean:
0.8 µm
St. dev.:
0
Percentile:
D50
Mean:
4.95 µm
St. dev.:
0.21
Percentile:
D90
Mean:
12.05 µm
St. dev.:
0.49
Particle size distribution at different passages
Remarks on result:
not measured/tested

Any other information on results incl. tables

Two test series of 3 measurements each were performed with the test item.

Test series 1:

D10:       0.8 µm

D50:      5.1 µm         (Median diameter)

D90:      12.4 µm

Test series 2:

D10:      0.8 µm

D50:      4.8 µm         (Median diameter)

D90:      11.7 µm

Average

D10:      0.8 µm

D50:      5.0 µm         (Median diameter)

D90:      12.1 µm

Final Results

The test item cesium tetrafluoroaluminate has a median particle size D50 = 5 µm, which was determined by laser diffraction measurement in accordance to inter alia ISO 13320 (2009) and CIPAC MT 187 (2009) method.

Applicant's summary and conclusion

Conclusions:
The test item cesium fluoroaluminate has following particle size distribution, which was determined by laser diffraction measurement in accordance to inter alia ISO 13320 (2009):
D10: 0.8 µm
D50: 5.0 µm (Median diameter)
D90: 12.1 µm