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| View Original: | Toluene with sodium-benzophenone.jpg (1200x1600) | |||
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| Keywords: Toluene with sodium-benzophenone.jpg Toluene is refluxed in sodium-benzophenone to remove oxygen and water before being distilled Photo taken 4 Sep 2006 Keywords reflux toluene sodium benzophenone distillation desiccation Gallery <gallery> Image Benzophenone bottle jpg A bottle of benzophenone by Lancaster Image Toluene with sodium-benzophenone jpg Toluene is refluxed with sodium and benzophenone to produce dry oxygen-free toluene Image Toluene with sodium-benzophenone - brown jpg The mixture is still not blue yet indicating that the reaction is not complete Image Toluene with sodium-benzophenone - intense blue jpg The intense blue coloration due to the benzophenone ketyl radical shows that the toluene is considered free of air and moisture Image Distillation of dry and oxygen-free toluene jpg After the toluene has been thoroughly dried by the sodium and benzophenone it is distilled at atmospheric pressure under a slight positive pressure of nitrogen to prevent contamination by air into the receiving Schlenk flask </gallery> Category desiccants Category distillation en wikipedia omegakent 2006-09-04 Rifleman 82 wikipedia en Rifleman 82 original upload log en wikipedia omegakent en wikipedia Toluene+with+sodium-benzophenone jpg 2006-09-04 17 00 Rifleman 82 1200×1600× 396460 bytes <nowiki>Taken in my lab on 4 Sep 2006 </nowiki> Ketones Desiccants Chemical tests Organic reactions Toluene | ||||
