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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:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Experimental data obtained using standard method of analysis
Reference:
Composition 0
Qualifier:
according to
Guideline:
other: as mentioned below
Principles of method if other than guideline:
Determination of particle size distribution
GLP compliance:
no
Type of method:
sieving
Type of distribution:
counted distribution
Test material information:
Composition 1
Percentile:
D50
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
No.:
#1
Size:
500 µm
Distribution:
14.18 %
Remarks on result:
other: no additional details mentioned
No.:
#2
Size:
300 µm
Distribution:
15.35 %
Remarks on result:
other: no additional details mentioned
No.:
#3
Size:
250 µm
Distribution:
15.59 %
Remarks on result:
other: no additional details mentioned
No.:
#4
Size:
150 µm
Distribution:
42.38 %
Remarks on result:
other: no additional details mentioned
No.:
#5
Size:
75 µm
Distribution:
12.25 %
Remarks on result:
other: no additional details mentioned

Table 1: Particle Size Distribution of the test chemical

Sieve sizes(in microns)

Percentage (%) of test item*

500 microns

14.18%

300 microns

15..35%

250 microns

15.59%

150 microns

42.38%

75 microns

12.25%

Conclusions:
The particle size distribution (granulometry) of (5or8)-aminonaphthalene-2-sulphonic acid by Rotap sieve shaker analysis was determined to be in the range of 75 micrometer to 500 micrometer. Majority of the particles were found to be more than 150 micrometer (42.38%) in size.
Executive summary:

The particle size distribution (granulometry) of (5or8)-aminonaphthalene-2-sulphonic acid by Rotap sieve shaker analysis was determined to be in the range of 75 micrometer to 500 micrometer. Majority of the particles were found to be more than 150 micrometer (42.38%) in size.

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Additional information