by Purolite Corporation
Purolite NRW400 is an ultrapure version of the anion exchanger, Purolite A400OH. It has been specially developed for processes using mixed bed and counter-flow regeneration techniques; the derived mixed bed material, Purolite NRW37, which is a 40 : 60 (cation : anion, by volume) mixture, is used for many nuclear and ultra-pure water applications ...