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Diss Factsheets

Physical & Chemical properties

Particle size distribution (Granulometry)

Administrative data

Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
01-05-2012 - 15-05-2012
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2011
Report date:
2012

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other:
Principles of method if other than guideline:
Measurement of relative amounts of particles present, sorted according to size
GLP compliance:
no
Type of distribution:
counted distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
Disodium 4,4'-dinitrostilbene-2,2'-disulphonate
EC Number:
223-051-2
EC Name:
Disodium 4,4'-dinitrostilbene-2,2'-disulphonate
Cas Number:
3709-43-1
Molecular formula:
C14H10N2O10S2.2Na
IUPAC Name:
disodium 4,4'-dinitrostilbene-2,2'-disulphonate
Details on test material:
- Name of test material : disodium 4,4'-dinitrostilbene-2,2'-disulphonate
- Substance type: Organic
- Physical state: Solid

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
other: 95 percentile is 212 at 1 probability
Mean:
307.4
Remarks on result:
other: Standard : 220.45
Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
600 µm
Distribution:
40 %
No.:
#2
Size:
500 µm
Distribution:
6 %
No.:
#3
Size:
212 µm
Distribution:
12 %
No.:
#4
Size:
150 µm
Distribution:
32 %
No.:
#5
Size:
75 µm
Distribution:
10 %

Applicant's summary and conclusion

Conclusions:
Particle size distribution of disodium 4,4'-dinitrostilbene-2,2'-disulphonate is in the range of 75 - 600 µm
Executive summary:

Particle size distribution of disodium 4,4'-dinitrostilbene-2,2'-disulphonate is in the range of 75 - 600 µm