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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
Study period:
30-03-2017 – 30-03-2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods
Justification for type of information:
Experimental test result performed using standard methods
Qualifier:
according to
Guideline:
other: as mentioned below
Principles of method if other than guideline:
The particle size distribution of test substance 4-(phenylazo)benzene-1,3-diamine 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: NO data
No.:
#1
Size:
150 µm
Distribution:
50.714 %
No.:
#2
Size:
106 µm
Distribution:
23.174 %
No.:
#3
Size:
75 µm
Distribution:
11.048 %
No.:
#4
Size:
53 µm
Distribution:
5.487 %
No.:
#5
Size:
25 µm
Distribution:
9.197 %
No.:
#6
Size:
10 µm
Distribution:
0.381 %

OBSERVATION TABLE

Amount of test item weighed (g)=10.002 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

51.396

4.797

50.7136

106 microns

46.673

2.192

23.1736

75 microns

51.124

1.045

11.0476

53 microns

47.379

0.519

5.4868

25 microns

38.216

0.87

9.1975

10 microns

44.400

0.036

0.3805

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

50.7136

106 microns

23.1736

75 microns

11.0476

53 microns

5.4868

25 microns

9.1975

10 microns

0.3805

Bottom Pan

0.0000

Conclusions:
The particle size distribution of test item 4-(phenylazo)benzene-1,3-diamine (CAS No. 495-54-5 ) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was found to be in the range of 150 micron to 10 micron.
Executive summary:

The particle size distribution of test item 4-(phenylazo)benzene-1,3-diamine (CAS No. 495-54-5 ) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was found to be in the range of 150 micron to 10 micron.

Description of key information

The particle size distribution of test item 4-(phenylazo)benzene-1,3-diamine (CAS No. 495-54-5 ) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was found to be in the range of 150 micron to 10 micron.

Additional information

The particle size distribution of test item 4-(phenylazo)benzene-1,3-diamine (CAS No. 495-54-5 ) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was found to be in the range of 150 micron to 10 micron.