Study on Contents of Elements and Mutagenecity of Organic Extracts of Drinking Water in Different Processes of Deep Water Treatment / 环境与健康杂志

0.05) . Significant decreases of contents of 14 kinds of macro-elements and trace elements in purified water were found compared with those in water samples after activated carbon filtration (t = 2.496 9-5.261 7, F2 and showed significant dose-response relationship respectively (r = 0.980, P