Registration Dossier
Registration Dossier
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EC number: 213-909-4 | CAS number: 1066-30-4
Particle size distribution (Granulometry)
Administrative data
Link to relevant study record(s)
Description of key information
The substance contains ca. 25% particles with a particle size larger than 76 μm: 13% of the particles of which could be measured, additionally, ca. 12% particles were not recovered in the "100%-value".
Additional information
The particle size distribution of test substance was determined by sedimentation following OECD Guideline 110 and ISO 13317-2- Fixed Pipette Method.
As the upper Stokes diameter was calculated with 76 µm, larger particles do not obey Stockes law and can not be measured during teh sedimentation method. Particle larger than 76 µm are not regarded as critical concerning heath effects, the distribution above 76 µm was not investigated in the further experiments.
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