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Diss Factsheets

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
Mean:
>= 53 - <= 150 µm
Remarks on result:
other: mass median diameter
No.:
#1
Size:
150 µm
Distribution:
59.618 %
Remarks on result:
other: no other details mentioned
No.:
#2
Size:
106 µm
Distribution:
23.251 %
Remarks on result:
other: no other details mentioned
No.:
#3
Size:
75 µm
Distribution:
13.247 %
Remarks on result:
other: no other details mentioned
No.:
#4
Size:
53 µm
Distribution:
3.884 %
Remarks on result:
other: no other details mentioned
No.:
#5
Size:
25 µm
Distribution:
0 %
Remarks on result:
other: no other details mentioned
No.:
#6
Size:
10 µm
Distribution:
0 %
Remarks on result:
other: no other details mentioned
No.:
#7
Distribution:
0 %
Remarks on result:
other: Bottom pan

OBSERVATION TABLE

Amount of test item weighed (g)=10.009

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

49.918

5.864

59.6177

106 microns

49.812

2.287

23.2513

75 microns

52.114

1.303

13.2472

53 microns

54.302

0.382

3.8836

25 microns

-

0

0.0000

10 microns

-

0

0.0000

Bottom Pan

-

0

0.0000

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

                                            total test item 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 53 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 53 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 53 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 53 micron.