Osmosis is the phenomenon of lower dissolved solids in water passing through a semi-permeable membrane into higher dissolved solids water until a near equilibrium is reached. Reverse Osmosis (RO) is a membrane process of purification which removes most of the the total dissolved solids (TDS) in water by reversing the natural process of osmosis. Pressure is applied to a TDS-concentrated solution against a semi-permeable membrane, causing pure water to diffuse through the membrane. RO has become an important process for a wide variety of applications including: medical, laboratory, desalination, industrial wastewater, Deionized (Dl) pretreatment, and drinking water.
By Myron L Company based in Carlsbad, CALIFORNIA (USA).
Purolite pharmaceutical resins are used in drug formulations as Active Pharmaceutical Ingredients (APIs) or excipients. They meet the demands of the American (USP), European (Ph.Eur.), British (BP) and Japanese (JP) pharmacopoeias. Drug Master Files are held for each, single, listed pharmaceutical product manufactured in Purolite’s facilities. Pharmaceutical resins used in extraction and purification processes or for the production of water for injectables meet the requirements of both the US Food and Drug Administration (FDA) and the European Union.
By Purolite Corporation based in Bala Cynwyd, PENNSYLVANIA (USA).
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