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201×4 strong basic styrene anion exchange resin
The domestic name used to be 711; similar foreign brands include AmberLite IRA-402 (US), Dowex 1×4 (US), and Diaion-SA11A (Japan)
[Structural formula]
[Physical and chemical properties] This product is light yellow to golden yellow granular substance, insoluble in water, acid, alkali and various organic solvents.
[Preparation method] It is basically the same as 201×7 strong basic styrene anion exchange resin, the only difference is that the product has a lower degree of cross-linking (that is, the degree of cross-linking is 4)
[Technical index] HG/T2163-91 01×4 resin (chlorine type)
[Application] 201×4 strong base anion exchange resin is mainly used for the mixed bed used in the preparation of pure water and high-purity water
Related links: Technical indicators and application of 201×7 strong basic styrene anion exchange resin