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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Physical & Chemical properties

Particle size distribution (Granulometry)

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Description of key information

The particle size distribution of reaction mass of sulphates:
D05 = 2.75 mm;
D50 = 0.45 mm;
D95 = 0.02 mm;
d' = 0.77 mm; n = 0.8

Additional information

The key results of particle distribution are taken from the experimental data of the reaction mass of ammonium sulphate and potassium sulfate and sodium sulphate (Beneo-Orafti, 2010). As supporting study, it is reported that ammonium sulphate has a particle size distribution of 0% at < 100 µm, with a mass median diameter of 0.4 mm (BASF AG, 2007).