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EC number: 242-355-6 | CAS number: 18472-87-2
Particle size distribution (Granulometry)
Administrative data
Link to relevant study record(s)
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 6/5/2016-6/5/2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- 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 item3,4,5,6-tetrachloro-2-(1,4,5,8-tetrabromo-6-hydroxy-3-oxoxanthen-9-yl)benzoic acid(CAS No. 18472-87-2) 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
- Percentile:
- D50
- Remarks on result:
- other: Mass median diameter
- No.:
- #1
- Size:
- 150 µm
- Distribution:
- 21 %
- No.:
- #2
- Size:
- 106 µm
- Distribution:
- 29 %
- No.:
- #3
- Size:
- 75 µm
- Distribution:
- 29.6 %
- No.:
- #4
- Size:
- 53 µm
- Distribution:
- 18.67 %
- No.:
- #5
- Size:
- 25 µm
- Distribution:
- 0.23 %
- Conclusions:
- The particle size distribution of test substance was determined by Granulometric analysis with Rotap sieve shaker. The particle size distribution was determined to be in the range of 150 micron to 25 micron.
- Executive summary:
The particle size distribution of test substance was determined by Granulometric analysis with Rotap sieve shaker. The particle size distribution was determined to be in the range of 150 micron to 25 micron.
Reference
OBSERVATION TABLE:
Amount of test item weighed (g) =10 g
Method run time (min) =10 min
Sieve sizes(in microns) |
Weight of petridishes (g) |
Weight of petridishes + test item (g) |
Test item quantity retained after sieving (g) |
Percentage (%) of test item* |
150 microns |
47.147 |
49.247 |
2.100 |
21% |
106 microns |
49.512 |
52.412 |
2.900 |
29% |
75 microns |
41.219 |
44.179 |
2.960 |
29.60 % |
53 microns |
48.347 |
50.214 |
1.867 |
18.67 % |
25 microns |
37.791 |
37.814 |
0.023 |
0.23 % |
10 microns |
39.231 |
------ |
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*Percentage of test item= test item retained after sievingX 100
Original test item taken
Description of key information
The particle size distribution of test substance was determined by Granulometric analysis with Rotap sieve shaker. The particle size distribution was determined to be in the range of 150 micron to 25 micron.
Additional information
The particle size distribution of test substance was determined by Granulometric analysis with Rotap sieve shaker. The particle size distribution was determined to be in the range of 150 micron to 25 micron.
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