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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:
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. 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
Remarks on result:
other: mass median diameter
No.:
#1
Size:
150 µm
Distribution:
30.17 %
Remarks on result:
other: no other details mentioned
No.:
#2
Size:
106 µm
Distribution:
32.359 %
Remarks on result:
other: no other details mentioned
No.:
#3
Size:
75 µm
Distribution:
18.214 %
Remarks on result:
other: no other details mentioned
No.:
#4
Size:
53 µm
Distribution:
13.454 %
Remarks on result:
other: no other details mentioned
No.:
#5
Size:
25 µm
Distribution:
5.803 %
Remarks on result:
other: no other details mentioned

 

OBSERVATION TABLE

Amount of test item weighed (g)=10.004 g

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

56.989

2.922

30.1703

106 microns

47.346

3.134

32.3593

75 microns

46.156

1.764

18.2137

53 microns

48.899

1.303

13.4537

25 microns

42.495

0.562

5.8027

10 microns

-

0

0.0000

Bottom Pan

-

0

0.0000

*Percentage of test item=test item retained after sievingX 100

                                       total test item retained after sieving

 

Sieve sizes(in microns)

Percentage(%)of test item*

150 microns

30.1703

106 microns

32.3593

75 microns

18.2137

53 microns

13.4537

25 microns

5.8027

10 microns

0.0000

Bottom Pan

0.0000
Conclusions:
The particle size distribution of test chemical was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was observed to bein 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 observed to bein 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 observed to bein 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 observed to bein the range of 150 micron to 25 micron.