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Physical & Chemical properties

Particle size distribution (Granulometry)

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Reference
Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1999-12-17 to 2000-03-21
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
microscopic examination
Type of particle tested:
primary particle
Type of distribution:
mass based distribution
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: Sponsor and R90076
- Expiration date of the lot/batch: 2000-07-31

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: Room temperature in the dark
Mass median aerodynamic diameter:
> 30 - < 60 µm
No.:
#1
Size:
> 125 µm
Distribution:
ca. 46.9 %
No.:
#2
Size:
>= 105 - <= 125 µm
Distribution:
ca. 0 %
No.:
#3
Size:
>= 60 - <= 105 µm
Distribution:
ca. 1.6 %
No.:
#4
Size:
>= 30 - <= 60 µm
Distribution:
ca. 15.6 %
No.:
#5
Size:
>= 10.4 - <= 30 µm
Distribution:
>= 29.6 %
No.:
#6
Size:
>= 0.5 - <= 10.4 µm
Distribution:
ca. 6.2 %
Conclusions:
A test test performe in a GLP facility in accordance with OECD test guidelines indicats that 6% by mass of the test substance is smaller than 10 um.
Executive summary:

A test test performe in a GLP facility in accordance with OECD test guidelines indicats that 6% by mass of the test substance is smaller than 10 um.

Description of key information

A test performed in a GLP facility in accordance with OECD test guidelines indicates that 6% by mass of the test substance is smaller than 10 um. 29.6% was >10 <30um, 17.2% was >30 <100 with the majority of 46.9% was >125 um.

Additional information