| http://www.w3.org/ns/prov#value | - ion mixture, with simultaneous addition of the cross-linker (in solution)) and subsequently the reaction volume is increased further with water, the total dilution of the solution being 2- to 10-fold, especially 2- to 7-fold and particularly 5- to 6-fold and then v) a polyethylene oxide is linked covalently.
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