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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
Study period:
17-01-2018 – 17-01-2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods
Justification for type of information:
Experimental test result performed using standard test guidelines
Qualifier:
according to
Guideline:
other: As mention below
Principles of method if other than guideline:
The particle size distribution of test item Calcium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate (CAS No. 5281-04-9 ) 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
Specific details on test material used for the study:
- Name of test material : 2-Naphthalenecarboxylic acid, 3-hydroxy-4-[(4-methyl-2-sulfophenyl)azo]-, calcium salt- Molecular formula : C18H14N2O6S.Ca- Molecular weight : 424.445 g/mole- Smiles notation : c12c(c(c(C(=O)[O-])cc1cccc2)O)\N=N\c1c(cc(C)cc1)S(=O)(=O)[O-].[Ca+2]- InChl : 1S/C18H14N2O6S.Ca/c1-10-6-7-14(15(8-10)27(24,25)26)19-20-16-12-5-3-2-4-11(12)9-13(17(16)21)18(22)23;/h2-9,21H,1H3, (H,22,23)(H,24,25,26);/q;+2/p-2/b20-19+;- Substance type: Organic - Physical state: Solid - Analytical purity: 87%- Impurities (identity and concentrations): 13%
Key result
Percentile:
D50
Remarks on result:
other: Mass median diameter
No.:
#1
Size:
150 µm
Distribution:
86.394 %
Remarks on result:
other: No other detail available
No.:
#2
Size:
106 µm
Distribution:
8.145 %
Remarks on result:
other: No other detail available
No.:
#3
Size:
75 µm
Distribution:
5.19 %
Remarks on result:
other: No other detail available
No.:
#4
Size:
53 µm
Distribution:
0.271 %
Remarks on result:
other: No other detail available

RESULT AND CONCLUSION:

Sieve sizes(in microns)

Percentage(%)of test item*

150 microns

86.3941

106 microns

8.1454

75 microns

5.1898

53 microns

0.2705

25 microns

0.0000

10 microns

0.0000

Bottom Pan

0.0000

Conclusions:
The particle size distribution of test item Calcium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate (CAS No. 5281-04-9 ) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determine to be in the range of 150 micron to 53 micron.
Executive summary:

The particle size distribution of test item Calcium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate (CAS No. 5281-04-9 ) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determine to be in the range of 150 micron to 53 micron.

Description of key information

The particle size distribution of test item Calcium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate (CAS No. 5281-04-9 ) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determine to be in the range of 150 micron to 53 micron.

Additional information

The particle size distribution of test item Calcium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate (CAS No. 5281-04-9 ) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determine to be in the range of 150 micron to 53 micron.