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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: Measurement of relative amounts of particles present, sorted according to size
Principles of method if other than guideline:
Measurement of relative amounts of particles present, sorted according to size
GLP compliance:
no
Type of method:
sieving
Type of distribution:
counted distribution
Key result
Percentile:
D50
Remarks on result:
other: Mass median diameter
No.:
#1
Size:
150 µm
Distribution:
65.4 %
Remarks on result:
other: no other details mentioned
No.:
#2
Size:
106 µm
Distribution:
19.4 %
Remarks on result:
other: no other details mentioned
No.:
#3
Size:
75 µm
Distribution:
14.03 %
Remarks on result:
other: no other details mentioned
No.:
#4
Size:
53 µm
Distribution:
1.18 %
Remarks on result:
other: no other details mentioned

OBSERVATION TABLE

Amount of test item weighed (g)=10.008

Method run time(minute)=10

Sieve sizes(in microns)

Weight of petridishes + test item(g)

Test item quantity retained after sieving (g)

Percentage(%)of test item*

150 microns

54.362

6.348

65.3826

106 microns

55.787

1.883

19.3943

75 microns

46.530

1.363

14.0385

53 microns

42.084

0.115

1.1844

25 microns

-

0

0.0000

10 microns

-

0

0.0000

Bottom Pan

-

0

0.0000

               

 

Percentage of test item =   Test item 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 micron to 53 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 micron to 53 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 micron to 53 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 micron to 53 microns.

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