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Parent Directory - zincacidmethod1a.gif 2000-10-08 22:40 26K zincacidmethod2a.gif 2000-10-08 22:40 17K zincacidmethod2b.gif 2000-10-08 22:40 4.1K home.html 2000-10-08 22:40 38K Ian Hickson's Acid and Zinc Investigation