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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Particle size distribution (Granulometry)

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Administrative data

Link to relevant study record(s)

Description of key information

75.43% by volume of sample was seen to be < 10.00 μm

Additional information

The analysis is conducted initially using a visual microscope and is then undertaken more formally using a Laser Diffraction

Particle Size Analyser.

The analysis was conducted using the dry powder module. The laser diffraction test conducted to determine the particle size analysis produced the following results:

  Average (μm) 
volume weighted mean 21.676 
median (d.50) 3.547 
mode 3.478 
MMAD (mass median aerodynamic diameter) 5.541  
10% of material is <  0.742 
50% of material is <  3.547 
90% of material is <  71.646