Registration Dossier

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:
From July 2nd to 11th, 1996
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1996
Report Date:
1996

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions)
Version / remarks:
May 12th, 1981
GLP compliance:
yes
Type of method:
sieving
Type of distribution:
mass based distribution

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid

Results and discussion

Mass median aerodynamic diameter:
< 450 µm
Particle size
Percentile:
D50
Mean:
< 450 µm
Remarks on result:
other: St. dev. not indicated
Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
<= 63 µm
Distribution:
0.49 %
No.:
#2
Size:
> 63 - < 100 µm
Distribution:
0.2 %
No.:
#3
Size:
> 100 - < 200 nm
Distribution:
0.95 %
No.:
#4
Size:
> 200 - < 500 µm
Distribution:
98.27 %
No.:
#5
Size:
> 500 µm
Distribution:
0.09 %

Any other information on results incl. tables

The substance is a powder with a rate of 99.31 mass-% greater than 100 µm, 0 % < 10 µm and 50 mass-% of the substance was smaller than 450 µm (Mass Median Diameter).

Applicant's summary and conclusion

Conclusions:
The substance is a powder with a rate of 99.31 mass-% greater than 100 µm, 0 % < 10 µm and 50 mass-% of the substance was smaller than 450 µm (Mass Median Diameter).