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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:
comparable to guideline study
Justification for type of information:
Experimental test result performed using standard test guidelines
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.
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: Other details not known
No.:
#1
Size:
150 µm
Distribution:
15.544 %
No.:
#2
Size:
106 µm
Distribution:
42.451 %
No.:
#3
Size:
75 µm
Distribution:
22.724 %
No.:
#4
Size:
53 µm
Distribution:
11.048 %
No.:
#5
Size:
25 µm
Distribution:
8.182 %
No.:
#6
Size:
10 µm
Distribution:
0.041 %

Observation Table:

Amount of test item weighed (g) = 10.001 g

Method run time (min) =10 min

Sieve sizes(in microns)

Weight of petridishes +

test item (g)

Test item quantity retained after sieving (g)

Percentage (%) of test item*

 150 microns

 48.135

1.536

15.544

 106 microns

48.673

4.192

42.4506

75 microns 

46.323

2.244

22.7240

 53 microns

47.981

1.091

11.0481

 25 microns

 38.154

0.808

8.1822

 10 microns  44.367  0.004  0.0405

Percentage of test chemical =   Test chemical retained on each sieve after sieving X 100

                                                   Original test item taken

 

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 - 10 microns.
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 - 10 microns.

Description of key information

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 - 10 microns.

Additional information

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 - 10 microns.