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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
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Justification for type of information:
Experimental tests performed using standard test guuidelines
Qualifier:
according to guideline
Guideline:
other: as mentioned below
Principles of method if other than guideline:
The particle size distribution of test chemical was determined by granulometric analysis with rotap sieve shaker. The principle includes measurement of relative amounts of particles present, sorted according to size
GLP compliance:
no
Type of method:
sieving
Type of particle tested:
primary particle
Type of distribution:
mass based distribution
Key result
Percentile:
D50
Mean:
>= 75 - <= 150 µm
Remarks on result:
other: No other details available
No.:
#1
Size:
150 µm
Distribution:
26.72 %
No.:
#2
Size:
106 µm
Distribution:
60.06 %
No.:
#3
Size:
75 µm
Distribution:
5.32 %

OBSERVATION TABLE:

Amount of sample weighed (g) =10 g    

Method run time (minutes) = 10 min

Weight of empty container (g) = 0.351 g

Sieve sizes(in microns)

Weight of container + test substance (g)

Sample quantity retained after sieving (g)

Percentage (%) of sample*

150 microns

3.002

2.651

26.72 %

106 microns

6.377

6.026

60.06 %

75 microns

0.885

0.534

5.32 %

53 microns

-

-

-

25 microns

-

-

-

10 microns

-

-

-

*Percentage of sample=      Sample retained after sieving X 100

                                                    Original sample taken

Conclusions:
The particle size distribution of test substance was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be in the range of 150 micron to 75 micron.
Executive summary:

The particle size distribution of test substance was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be in the range of 150 micron to 75 micron.

Description of key information

The particle size distribution of test substance was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be in the range of 150 micron to 75 micron.

Additional information

The particle size distribution of test substance was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be in the range of 150 micron to 75 micron.