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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 substance 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:
59.585 %
Remarks on result:
other: No other detail available
No.:
#2
Size:
106 µm
Distribution:
19.129 %
Remarks on result:
other: No other detail available
No.:
#3
Size:
75 µm
Distribution:
10.332 %
Remarks on result:
other: No other detail available
No.:
#4
Size:
53 µm
Distribution:
8.877 %
Remarks on result:
other: No other detail available
No.:
#5
Size:
25 µm
Distribution:
2.076 %
Remarks on result:
other: No other detail available

OBSERVATION TABLE:

Amount of sample weighed (g) =10 g

Method run time (minutes) =10 min

Weight of empty container (g)=0.291 g

Sieve sizes(in microns)

Weight of container + test substance (g)

Sample quantity retained after sieving (g)

Percentage (%) of sample*

150 microns

50.802 g

5.94 g

59.5847

106 microns

46.366 g

1.907 g

19.1293

75 microns

48.848 g

1.03 g

10.3320

53 microns

47.758 g

0.885 g

8.8775

25 microns

48.934 g

0.207 g

2.0764

10 microns

-

-

-

*Percentage of sample=      Sample retained after sievingX 100

                                                   Original sample taken

Conclusions:
The particle size distribution of test item was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determine to be in the range of 150 micron to 25 micron.
Executive summary:

The particle size distribution of test item was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determine to be in the range of 150 micron to 25 micron.

Description of key information

The particle size distribution of test item was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determine to be in the range of 150 micron to 25 micron.

Additional information

The particle size distribution of test item was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determine to be in the range of 150 micron to 25 micron.