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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:
Data is from experimental study report
Qualifier:
according to guideline
Guideline:
other: granulometric analysis with rotap sieve shaker.
Principles of method if other than guideline:
The particle size distribution of test chemical was determined by Granulometric analysis with Rotap sieve shaker.
GLP compliance:
no
Type of method:
sieving
Type of particle tested:
primary particle
Type of distribution:
mass based distribution
Key result
Percentile:
D50
Mean:
>= 10 - <= 150 µm
Remarks on result:
other: Mass median diameter
No.:
#1
Size:
150 µm
Distribution:
4.095 %
No.:
#2
Size:
106 µm
Distribution:
12.86 %
No.:
#3
Size:
75 µm
Distribution:
16.392 %
No.:
#4
Size:
53 µm
Distribution:
47.742 %
No.:
#5
Size:
25 µm
Distribution:
11.764 %
No.:
#5
Size:
10 µm
Distribution:
7.146 %

OBSERVATION TABLE

Sieve sizes (in microns)

 

Weight of petridishes + test item (g)

Test item quantity

retained after sieving (g)

Percentage(%)of

test item*

150 microns

42.003

0.4

4.0954

106 microns

46.904

1.256

12.8596

75 microns

46.145

1.601

16.3919

53 microns

48.636

4.663

47.7423

25 microns

48.091

1.149

11.7641

10 microns

37.317

0.698

7.1465

Bottom Pan

-

0

0.0000

*Percentage of test item=test chemical retained after sieving    X 100

                                            total test chemical retained after sieving

Conclusions:
The particle size distribution of test chemical was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be in the range of 150 micron to 10 micron.
Executive summary:

The particle size distribution of test chemical was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be in the range of 150 micron to 10 micron.

Description of key information

On the basis of the available data from study report, the particle size distribution of test chemical was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be in the range of 150 micron to 10 micron.

Additional information

On the basis of the available data from study report, the particle size distribution of test chemical was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be in the range of 150 micron to 10 micron.