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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: 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:
counted distribution
Key result
Percentile:
D50
Remarks on result:
other: Mass median diameter
No.:
#1
Size:
150 µm
Distribution:
15.9 %
Remarks on result:
other: No other detail available
No.:
#2
Size:
106 µm
Distribution:
23.25 %
Remarks on result:
other: No other detail available
No.:
#3
Size:
75 µm
Distribution:
24.68 %
Remarks on result:
other: No other detail available
No.:
#4
Size:
53 µm
Distribution:
35.89 %
Remarks on result:
other: No other detail available
No.:
#5
Size:
25 µm
Distribution:
0.02 %
Remarks on result:
other: No other details available

OBSERVATION TABLE:

Sieve sizes(in microns) Weight of empty petridishes (g) Weight of petridishes + test item (g) Test item quantity retained after sieving per sieve(g) Percentage per sieve
150 microns 47.040 48.538 1.548 15.90
106 microns 48.925 51.184 2.259 23.25
75 microns 48.211 50.609 2.398 24.68
53 microns 45.005 48.641 3.486 35.89
25 microns 41.822 41.844 0.002 0.020
10 microns - - -  
Bottom pan - -    
Conclusions:
The particle size distribution of test chemical was determined by Granulometric analysis with Rotap sieve shaker. The particle size distribution was found to be in the range of 150 micron to 25 micron.
Executive summary:

The particle size distribution of test chemical was determined by Granulometric analysis with Rotap sieve shaker. The particle size distribution was found to be in the range of 150 micron to 25 micron.

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 found to be in the range of 150 micron to 25 micron.

Additional information

The particle size distribution of test chemical was determined by Granulometric analysis with Rotap sieve shaker. The particle size distribution was found to be in the range of 150 micron to 25 micron.