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2. World Health Organization (WHO), Guidelines for Drinking Water Quality, 2nd edn., Addendum to Vol. 1. Recommendations, Geneva, 1998, pp. 4–6.
3. Boron Removal in Sea Water Desalination;Busch,2003
4. Acidity measurements at elevated temperatures. VI. Boric acid equilibriums
5. Trussell Technologies, Boron Removal and Reverse Osmosis, February;Trussell,2005