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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:
24.04.2013 - 10.05.2013
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2013
Report date:
2013

Materials and methods

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

Test material

Constituent 1
Chemical structure
Reference substance name:
5-aminonaphthalene-2-sulphonic acid
EC Number:
204-351-2
EC Name:
5-aminonaphthalene-2-sulphonic acid
Cas Number:
119-79-9
Molecular formula:
C10H9NO3S
IUPAC Name:
5-aminonaphthalene-2-sulfonic acid
Test material form:
other: Amorphous
Details on test material:
- Name of test material: 5-aminonaphthalene-2-sulphonic acid
- Substance type: Organic
- Physical state: solid

Results and discussion

Particle size
Percentile:
D50
Mean:
> 74 - < 601 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
600 µm
Distribution:
21.44 %
No.:
#2
Size:
500 µm
Distribution:
6.63 %
No.:
#3
Size:
300 µm
Distribution:
6.56 %
No.:
#4
Size:
250 µm
Distribution:
7.04 %
No.:
#5
Size:
150 µm
Distribution:
31.98 %
No.:
#6
Size:
75 µm
Distribution:
26.35 %

Applicant's summary and conclusion

Conclusions:
The particle size distribution (granulometry) of 5-aminonaphthalene-2-sulphonic acid by the sieve analysis method was found to be in the range of 75 micrometer to 600 micrometer. Majority of the particles were found to be in the size 150 (31.98%) - 75 (26.35%) micrometer in size.
Executive summary:

The particle size distribution (granulometry) of 5-aminonaphthalene-2-sulphonic acid by the sieve analysis method was found to be in the range of 75 micrometer to 600 micrometer. Majority of the particles were found to be in the size 150 (31.98%) - 75 (26.35%) micrometer in size.