National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Sulphonation of Polystyrene Beads.
Strašák, Tomáš
This report describes sulphonation of polystyrene beads with narrow size distribution of particles typically with diameter 2-8 µm. These particles serve as starting material for preparation of stationary phase for ion exchange chromatography (IEC). An advantage of this procedure is replace of risk procedures which worked with chlorosulphonic acid or oleum as a sulfonating agent by procedure using concentrated sulphuric acid.

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