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Reverse Osmosis Rejection Rates

The reverse osmosis process utilizes a semi-permeable membrane to remove and reject a wide variety of impurities. Aluminum 97-98% Nickel 97-99% Ammonium 85-95% Nitrate 93-96% Arsenic 94-96% Phosphate 99+% Bacteria 99+% Polyphosphate 98-99% Bicarbonate 95-96% Potassium 92% Bromide 93-96% Pyrogen 99+% Cadmium 96-98% Radioactivity 95-98% Calcium 96-98% Radium 97% Chloride 94-95% Selenium 97% Chromate 90-98% Silica 85-90% Chromium 96-98% Silicate 95-97% Copper 97-99% Silver 95-97% Cyanide 90-95% Sodium 92-98% Ferrocyanide 98-99% Sulphate 99+% Flouride 94-96% Sulphite 96-98% Iron 98-99% Zinc 98-99% Lead 96-98% * Virus 99+% Magnesium 96-98% * Insecticides 97% Maganese 96-98% * Detergents 97% Mercury 96-98% * Herbicides 97% % TDS 95-99%   * These are conservative estimates