... specification, standards of EP, USP, China's pharmacopoeia,cGMP. Reverse OsmosisSummarize: Reverse Osmosis is the opposite process of the natural permeation. It is ... ions from aqueous streams, typically in conjunction with reverse osmosis and other purification devices. 1 stage RO+EDI Double stages RO +EDI Double ... the USP, EP, Pharmacopoeia of People's Republic of China. Reverse Osmosis system