How Do You Know About Weak Base Anion?

- Dec 20, 2019-

The weak base anion functionality makes regenerated easily even using waste caustic left from regeneration of SBA resin. So it could be used multi bed demineralizers to prolong the lifetime of SBA resin and prevent it from organic fouling.

Basic Features:


Water demineralization (deionization), strong acids removal.

Polymer matrix structure:

Macroporous polystyrene crosslinked with divinylbenzene (DVB)


Beige opaque, spherical beads

Functional Group:

Tertiary amine (Dimethylamine)

Ionic form as shipped:

Free base

More information:

Weak base weak base anion are like weak acid resins in that the degree of ionization is strongly influenced by pH. Consequently, WBA resin exhibit minimum exchange capacity above a pH of 7.0. The WBA resin does not have a hydroxide ion form as does the SBA resin. These resins merely sorb strong acids, they cannot split salts.

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weak base anion