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Diss Factsheets

Physical & Chemical properties

Particle size distribution (Granulometry)

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Reference
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:
guideline study with acceptable restrictions
Qualifier:
according to guideline
Guideline:
other: The Guidelines for the Testing of Chemicals Physical-Chemical Properties and Physical Hazards.(Ed.2) 110 particle size distribution/fibre length and diameter distributions (China Environmental Science Press)
GLP compliance:
no
Type of method:
sieving
Type of particle tested:
primary particle
Type of distribution:
mass based distribution
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch number of test material:test item supplied by sponsor/91112Y
- Expiration date of the lot/batch:12 March 2021
- Purity:92.4%

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material:Controlled room temperature (15-25°C, ≤70% relative humidity)
- Stability under storage conditions: stability

Remarks on result:
other:
Remarks:
The mass of the sample particles over 2000μm accounts for 98.17% of the total, and it is not applicable for the instrument.
Key result
Percentile:
other: D98.17
Mean:
>= 2 000 µm
Remarks on result:
other: The mass of the sample particles over 2000μm accounts for 98.17% of the total, and it is not applicable for the instrument.
Conclusions:
98.17% particles of the test item is over 2000 μm.
Executive summary:

The mass of the sample particles over 2000μm accounts for 98.17% of the total, the particle size of the sample is too large to be detected by laser diffraction.

Description of key information

The mass of the sample particles over 2000 μm accounts for 98.17% of the total, and it is not applicable for the instrument.

Additional information