Registration Dossier
Registration Dossier
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EC number: 273-732-3 | CAS number: 69012-32-4 By-product of smelting of phosphate rock, silica and coke in manufacture of phosphorus.
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: according to international standard
Data source
Reference
- Reference Type:
- other company data
- Title:
- Unnamed
- Year:
- 2 008
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: EN 933-1 sieve analysis
- Principles of method if other than guideline:
- Over the period year 2006 to year 2008 a total of 39 samples of the test susbtance were examined according to the EN 933-1 method (Sieve analysis), the smallest standard commercial grade of the substance was used ( 40 mm) as part of production quality control. The ammassed results are presented here.
- GLP compliance:
- no
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- phosphorous slag, Flushing type
- IUPAC Name:
- phosphorous slag, Flushing type
- Details on test material:
- - Physical state: solid
- Stability under test conditions: stable
Constituent 1
Results and discussion
Particle sizeopen allclose all
- Percentile:
- D50
- Remarks on result:
- other: not reported(migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.)
- Remarks on result:
- other: refer to particle size distribution at different passages
Particle size distribution at different passagesopen allclose all
- Size:
- < 6 µm
- Distribution:
- 1 %
- Remarks on result:
- other: over the period 2006-2008 the average of particles < 0,063 mm was 1,3% (m/m). Standard deviation 1,2
- Size:
- < 12 µm
- Distribution:
- 3 %
- Remarks on result:
- other: over the period 2006-2008 the average of particles <0,125 mm was 3,0% (m/m) Standard deviation 1,4
- Size:
- < 25 µm
- Distribution:
- 5 %
- Remarks on result:
- other: Over the period 2006-2008 the average of particles <0,250 mm was 5,1% Standard deviation 1,8
Applicant's summary and conclusion
- Conclusions:
- The average percentage of particles with a diametre of < 0,063 mm in the test substance ( smallest commercial standard 0/40) is 1,3 (m/m) % with a standard deviation of 1,2 according to method EN 933-1
- Executive summary:
The average percentage of particles with a diametre of < 0,063 mm in the test substance is 1,3 (m/m) % with a standard deviation of 1,2 according to method EN 933-1
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