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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:
comparable to guideline study
Justification for type of information:
Experimental test result performed using standard test guidelines
Qualifier:
according to
Guideline:
other: granulometric analysis with rotap sieve shaker.
Principles of method if other than guideline:
The particle size distribution of test substance 3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-
N,N,N-trimethylanilinium chloride (CAS No. 68391-31-1 ) 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: Mass median diameter
No.:
#1
Size:
150 µm
Distribution:
67.66 %
Remarks on result:
other: No other detail available
No.:
#2
Size:
106 µm
Distribution:
20.73 %
Remarks on result:
other: No other detail available
No.:
#3
Size:
75 µm
Distribution:
7.97 %
Remarks on result:
other: No other detail available
No.:
#4
Size:
53 µm
Distribution:
3.6 %
Remarks on result:
other: No other detail available
No.:
#1
Size:
25 µm
Distribution:
0.01 %
Remarks on result:
other: No data available

OBSERVATION TABLE
Amount of test item weighed (g)
=10.001 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

54.227

6.657

67.66

106 microns

50.754

2.040

20.73

75 microns

42.381

0.785

7.97

53 microns

44.703

0.355

3.60

25 microns

37.346

0.001

0.01

10 microns

-

-

-

Bottom Pan

Conclusions:
The particle size distribution of test item 3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-N,N,N-trimethylanilinium chloride(CAS No. 68391-31-1) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determine to be in the range of 150 micron to 10 micron.
Executive summary:

The particle size distribution of test item 3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-N,N,N-trimethylanilinium chloride(CAS No. 68391-31-1) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determine to be in the range of 150 micron to 10 micron.

Description of key information

The particle size distribution of test item 3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-N,N,N-trimethylanilinium chloride(CAS No. 68391-31-1) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determine to be in the range of 150 micron to 10 micron.

Additional information

The particle size distribution of test item 3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-N,N,N-trimethylanilinium chloride(CAS No. 68391-31-1) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determine to be in the range of 150 micron to 10 micron.