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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2019
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail

Data source

Reference
Reference Type:
other: unpublished study report
Title:
Unnamed
Year:
2019
Report date:
2019

Materials and methods

Principles of method if other than guideline:
Measurement by laser scattering/diffraction method
GLP compliance:
no
Type of method:
Laser scattering/diffraction
Type of distribution:
volumetric distribution

Test material

1
Reference substance name:
Resin acids and Rosin acids, barium salts
EC Number:
269-142-0
EC Name:
Resin acids and Rosin acids, barium salts
Cas Number:
68188-14-7
Molecular formula:
N/A
IUPAC Name:
Resin acids and Rosin acids, barium salts
Test material form:
solid

Results and discussion

Particle sizeopen allclose all
Key result
Percentile:
D10
Mean:
0.53 µm
Remarks on result:
other: distribution at 3 bar
Key result
Percentile:
D50
Mean:
1.8 µm
Remarks on result:
other: distribution at 3 bar
Key result
Percentile:
D90
Mean:
6.04 µm
Remarks on result:
other: distribution at 3 bar

Any other information on results incl. tables

The plateau is obtained between 2 and 4bar. For the measure of the distribution of the primary particles 3 bar will be used.

The PSD measure will be repeated three times with 0.1bar and three times with 3bar.

Applicant's summary and conclusion

Conclusions:
The particle size distribution of test substance was determined to be D50= 1.8 µm