Registration Dossier
Registration Dossier
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EC number: 232-313-5 | CAS number: 8002-53-7 Wax obtained by extraction of lignite.
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: Study performed according to a well described protocol.
Data source
Reference
- Reference Type:
- other: company analytical protocol and result sheet
- Title:
- Unnamed
- Year:
- 2 009
- Report date:
- 2009
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Determination of the particle size distribution for lignites using a sieving machine with a computer-supported measurement.
- GLP compliance:
- no
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- Montan wax
- EC Number:
- 232-313-5
- EC Name:
- Montan wax
- Cas Number:
- 8002-53-7
- Molecular formula:
- As montan wax is a UVCB, a molecular formular cannot be specified.
- IUPAC Name:
- Montan wax
Constituent 1
Results and discussion
Particle sizeopen allclose all
- Percentile:
- D50
- Mean:
- 0.76 mm
- Remarks on result:
- other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
- Percentile:
- D10
- Mean:
- ca. 0.3 mm
- Percentile:
- D50
- Mean:
- 0.76 mm
- Percentile:
- D90
- Mean:
- 1.05 mm
Particle size distribution at different passagesopen allclose all
- No.:
- #1
- Size:
- > 0 - < 0.16 mm
- Distribution:
- 0.1 %
- No.:
- #2
- Size:
- > 0.16 - <= 0.2 mm
- Distribution:
- 0.4 %
- No.:
- #3
- Size:
- > 0.2 - <= 0.315 mm
- Distribution:
- 1.4 %
- No.:
- #4
- Size:
- > 0.315 - <= 0.5 mm
- Distribution:
- 9.8 %
- No.:
- #5
- Size:
- > 0.5 - <= 0.63 mm
- Distribution:
- 17.2 %
- No.:
- #6
- Size:
- > 0.63 - <= 1 mm
- Distribution:
- 60.5 %
- No.:
- #7
- Size:
- > 1 - <= 2 mm
- Distribution:
- 10.2 %
- No.:
- #8
- Size:
- > 2 mm
- Distribution:
- 0.4 %
Applicant's summary and conclusion
- Conclusions:
- More than 99% of the test substance has a particle size in the range between 0.16 and 2.00 mm, with a 10%-quantile approximately at 0.3mm, a median at 0.76mm and a 90%-quantile at 1.05mm.
- Executive summary:
Using an for the test substance adjusted sieving procedure employing sieves with the pore sizes
0.08; 0.2; 0.315; 0.5; 0.8; 1.0 and 2.0 mm. Weighing of the sieved fraction resulted in the follwing distribution quantiles:
- 10%-quantile approximately at 0.3mm,
- median at 0.76mm,
- 90%-quantile at 1.05mm,
while 99% of the test substance has a particle size in the range between 0.16 and 2.00 mm
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