- The sodium is removed with cation exchange resin.
- The sodium is removed with cation exchange resin .
- Cefquinome sulfate was prepared from cefotaxime via 3-substitution,salt formation,and salt exchange with sulfuric acid by anion exchange resin.
- Dibutyl succinate was synthesized catalyzed by a strong acid cation exchange resin from succinic acid and n-butyl alcohol.
- The catalyst system used in the synthesis of Maleic acid ester,such as inorganic acid,ion exchange resin and solid acid,was introduced.