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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:
15.06.2012 - 04.07.2012
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Justification for type of information:
Data is from experimental study report
Qualifier:
according to
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
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
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: 4,4'-bis(dimethylamino)-4''-(methylamino)trityl alcohol
- Molecular formula: C24H29N3O
- Molecular weight: 375.513
- Smiles: C(c1ccc(cc1)N(C)C)(c1ccc(cc1)N(C)C)(c1ccc (cc1)NC)O
-Inchi: 1S/C24H29N3O/c1-25-21-12-6-18(7-13-21)24 (28, 19-8-14-22(15-9-19)26(2)3)20-10-16-23(17-11-20)27(4) 5/h6-17,25,28H,1-5H3

- Substance type: Organic
- Physical state: solid
Key result
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:
250 µm
Distribution:
29.6 %
No.:
#2
Size:
212 µm
Distribution:
7.2 %
No.:
#3
Size:
180 µm
Distribution:
23.2 %
No.:
#4
Size:
150 µm
Distribution:
6 %
No.:
#5
Size:
75 µm
Distribution:
6.4 %
No.:
#6
Size:
53 µm
Distribution:
27.5 %
Conclusions:
The particle size distribution (granulometry) of 4,4'-bis(dimethylamino)-4''(methylamino) trityl alcohol by the sieve analysis method was found to be in the range of 53 micrometer to 250 micrometer. Majority of the particles were found to be in the size 250 (29.6%) - 53 (27.5%) micrometer in size.
Executive summary:

The particle size distribution (granulometry) of 4,4'-bis(dimethylamino)-4''(methylamino) trityl alcohol by the sieve analysis method was found to be in the range of 53 micrometer to 250 micrometer. Majority of the particles were found to be in the size 250 (29.6%) - 53 (27.5%) micrometer in size.

Description of key information

The particle size distribution (granulometry) of 4,4'-bis(dimethylamino)-4''(methylamino) trityl alcohol by the sieve analysis method was found to be in the range of 53 micrometer to 250 micrometer. Majority of the particles were found to be in the size 250 (29.6%) - 53 (27.5%) micrometer in size.

Additional information

The particle size distribution (granulometry) of 4,4'-bis(dimethylamino)-4''(methylamino) trityl alcohol by the sieve analysis method was found to be in the range of 53 micrometer to 250 micrometer. Majority of the particles were found to be in the size 250 (29.6%) - 53 (27.5%) micrometer in size.