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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 guidelines
Qualifier:
according to
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:
counted distribution
Key result
Percentile:
D50
Mean:
> 75 - < 150 µm
Remarks on result:
other: No other details available
No.:
#1
Size:
150 µm
Distribution:
91.245 %
No.:
#2
Size:
106 µm
Distribution:
7.523 %
No.:
#3
Size:
75 µm
Distribution:
1.232 %

OBSERVATION TABLE

Amount of test item weighed (g)=10.008

Method run time(minute)=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

 53.965

9.109 

91.2451 

106 microns

 54.873

 0.751

7.5227 

75 microns

 44.127

0.123 

 1.2320

53 microns

 -

 0

 0.0000

25 microns

 -

 0.0000

10 microns

 -

 0

 0.0000

Bottom Pan

 -  0  0.0000
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 75 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 75 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 determined to be in the range of 150 micron to 75 micron.

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 micron to 75 micron.