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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
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP guideline study

Data source

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

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions)
Principles of method if other than guideline:
Laser diffraction according to ISO 13320-1, with evaluation according to Fraunhofer
GLP compliance:
yes (incl. QA statement)
Type of distribution:
volumetric distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
Amantadine hydrochloride
EC Number:
211-560-2
EC Name:
Amantadine hydrochloride
Cas Number:
665-66-7
Molecular formula:
C10H17N.ClH
IUPAC Name:
adamantan-1-amine hydrochloride
Test material form:
other: solid
Details on test material:
Name of test material (as cited in study report): 1-Aminoadamantanhydrochlrid
Analytical purity: 99.7 g/100g by 1H-NMR spectroscopy using the internal standard method (determined during the GLP-study No.
11 L00389 from Competence Center Analytics, BASF SE)
Lot/batch No.: 20110315

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
other: d(0,1)
Mean:
179 µm
Percentile:
other: d(0,5)
Mean:
478 µm
Percentile:
other: d(0,9)
Mean:
1 074 µm
Percentile:
other: D[3,2]
Mean:
261 µm
Percentile:
other: D[4,3]
Mean:
561 µm
Particle size distribution at different passagesopen allclose all

Any other information on results incl. tables

Results in detail:

Measurement d(0.1)
[µm]
d(0.5)
[µm]
d(0.9)
[µm]
D[3,2]
[µm]
D[4,3]
[µm]
1 183.105 483.874 1083.714 270.836 567.448
2 175.448 472.009 1063.978 252.699 555.121
Mean* 179 478 1074 261 561

*Using all single measuring points from the distributions 1 and 2, a new distribution was calculated, giving the mean values for each parameter.

< 100 µm: 4,8%; < 10 µm: 0,3%; < 4 µm: 0,0%

Applicant's summary and conclusion