How to control pure sulphur powder paricle size distribution (10 -100 µm range )?

07 July 2018 0 2K Report

We have sieved Sigma-Aldrich pure sulphur which has a very heterogeneous particle size distribution ranging from approximately 2 to 100 µm. Sieving works well to separate the large particles. However, due to I assume electrostatic forces there are many agglommerates of small particles as well as many small particles that adhere to the large particles.

Does anybody have any recommendations for de-agglomeration; methods for controlling stable suspensions, heat treatment to coarsen / sinter agglomerated small particles?

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