new forms of etantiseptique neutralizing buffer transition effects, and its preparation process.

摘要

1401989 Alumina from the isopropoxide CENTRE DE LYOPHILISATION PHARMACEUTIQUE LYOCENTRE and CENTRE EUROPEEN DE RECHERCHES MAUVERNAY 24 Aug 1972 [20 Sept 1971] 39503/72 Heading C1A [Also in Division A5] Alumina having an empirical formula Al 4 O 9 H 6 (disregarding adsorbed water) is produced by subjecting aluminium isopropoxide to hydrolysis under reflux with a water-isopropanol mixture, there being 2À25 moles of water per mole of isopropoxide, and separating the product after concentration by distillation of excess isopropanol.