Registration Dossier
Registration Dossier
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EC number: 231-554-3 | CAS number: 7631-99-4
Particle size distribution (Granulometry)
Administrative data
Link to relevant study record(s)
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 18 Feb - 4 March 2008
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Qualifier:
- according to guideline
- Guideline:
- other: ISO 13320-1 with evaluation according to Fraunhofer
- GLP compliance:
- no
- Type of method:
- Laser scattering/diffraction
- Type of distribution:
- other: laser diffraction
- Key result
- Percentile:
- D10
- Mean:
- 99 µm
- St. dev.:
- 0
- Remarks on result:
- other: Based on 2 measurements
- Key result
- Percentile:
- D50
- Mean:
- 206 µm
- St. dev.:
- 0
- Remarks on result:
- other: Based on 2 measurements
- Key result
- Percentile:
- D90
- Mean:
- 379 µm
- St. dev.:
- 0
- Remarks on result:
- other: Based on 2 measurements
- Size:
- < 10 µm
- Distribution:
- 0 %
- Remarks on result:
- other: Number was not specified
- Conclusions:
- The particle size distribution of the substance was determined by laser diffraction analysis. 0% is< 10.00 µm; 10% is < 99 µm; 50% is < 206 µm and 90% is < 379 µm.
- 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: Company data with limited information.
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Sieve analysis.
- GLP compliance:
- no
- Type of method:
- other: not specified
- Percentile:
- D50
- Remarks on result:
- not measured/tested
- Size:
- > 2.36 mm
- Distribution:
- 12 %
- Remarks on result:
- other: number not specified
- Size:
- > 1.7 mm
- Distribution:
- 66 %
- Remarks on result:
- other: number not specified
- Size:
- > 1.18 mm
- Distribution:
- 97 %
- Remarks on result:
- other: number not specified
- Size:
- > 0.85 mm
- Distribution:
- 99 %
- Remarks on result:
- other: number not specified
- Conclusions:
- Sieve analysis showed that 99% of sodium nitrate (prilled form) is > 0.85 mm.
Referenceopen allclose all
Description of key information
Laser diffraction analysis result for sodium nitrate (crystalline powder): 0% is < 10.00 µm, 10% is < 99 µm, 50% is < 206 µm and 90% is < 379 µm.
Sieve analysis result for prilled sodium nitrate: 99% is > 0.85 mm.
Additional information
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Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
