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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.
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