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Physical & Chemical properties

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:
04-05-2018 – 04-05-2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
comparable to 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 item 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 (IUPAC name): Sodium 2-amino-4,6-dinitrophenoxide
- Common name: Sodium picramate
- Molecular formula: C6H4N3NaO5
- Molecular weight: 221.1036 g/mol
- Smiles notation: [Na+].Nc1cc(cc(c1[O-])[N+](=O)[O-])[N+](=O)[O-]
- InChl: 1S/C6H5N3O5.Na/c7-4-1-3(8(11)12)2-5(6(4)10)9(13)14;/h1-2,10H,7H2;/q;+1/p-1
- Substance type: Organic
- Physical state: Solid
- Physical Appearance: red to brown moist powder
- Stability: Stable in recommended storage conditions
- Storage Conditions: 1. Ambient Temp (23 to 27 °C) √ (Store in a cool place. Keep containers tightly closed in a dry and well ventilated place)
Key result
Percentile:
D50
Remarks on result:
other: Mass median diameter
No.:
#1
Size:
150 µm
Distribution:
88.771 %
Remarks on result:
other: No other detail available
No.:
#2
Size:
106 µm
Distribution:
8.734 %
Remarks on result:
other: No other detail available
No.:
#3
Size:
75 µm
Distribution:
1.588 %
Remarks on result:
other: No other detail available
No.:
#4
Size:
53 µm
Distribution:
0.66 %
Remarks on result:
other: No other detail available
No.:
#5
Size:
25 µm
Distribution:
0.247 %
Remarks on result:
other: No other detail available

OBSERVATION TABLE:

Amount of sample weighed (g) =10 gm

Method run time (minutes) =10 min

Weight of empty container (g) =0.301 gm

Sieve sizes(in microns)

Weight of container + test substance (g)

Sample quantity retained after sieving (g)

Percentage (%) of sample*

150 microns

62.561

8.609

88.7708

106 microns

51.645

0.847

8.7337

75 microns

44.691

0.154

1.5879

53 microns

48.773

0.064

0.6599

25 microns

41.621

0.024

0.2474

10 microns

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Conclusions:
The particle size distribution of test item was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determine to be in the range of 150 micron to 25.micron.
Executive summary:

The particle size distribution of test item was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determine to be in the range of 150 micron to 25.micron.

Description of key information

The particle size distribution of test item was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determine to be in the range of 150 micron to 25.micron.

Additional information

The particle size distribution of test item was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determine to be in the range of 150 micron to 25.micron.