oxide+of+aluminium
121Oxygenium — Eigenschaften …
122O₂ — Eigenschaften …
123Sauerstoffmessung — Eigenschaften …
124Singulett-Sauerstoff — Eigenschaften …
125Superoxid-Anion — Eigenschaften …
126Superoxidanion — Eigenschaften …
127Superoxidanionen — Eigenschaften …
128Portland cement — is the most common type of cement in general usage in many parts of the world, as it is a basic ingredient of concrete, mortar, stucco and most non specialty grout. It is a fine powder produced by Portland cement clinker (more than 90%), a… …