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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Particle size was measured by laser diffraction using a commercial instrument, Malvern Mastersizer 2000 Laser Diffraction Analyser, according to the requirements of ISO 13320:2009. The median mass particle size was 69.913 um with a standard deviation of 1.49 um. The inhalable fraction (< 100 um) was ca. 63% and the respirable fraction (50% of fraction <4 um) was ca. 6%.

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