Nomenclature
The trade names of resins are generally so named that the basic structure is readily apparent. Taking the example of Dowex resin, it will involve
i) Type i.e. Dowex 50, 50 W( cation exchangers); Dowex 1, 2, 4, 21K (anion exchangers)
ii) "X- Number" or percent divinylbenzene like X8
iii) Mesh size i.e. 20- 50 ( based on US Standard screen)
iv) Ionic form i.e. Na
The label will carry something such as
