88 JOURNAL Of THE 



ACTION OF GASOLINE ON COPPER. 



W. H. Watson (Chem. News 42-190) has recorded the action of 

 various oils on iron and copper. Tliinking it of interest to add to 

 the list the action of gasoline, some was drawn from the bottom 

 chamber of the generator in a Springfield Gas Machine and exam- 

 ined for copper. The oil was 88° and had stood in the chamber 

 about six months. It was deeply colored. One litre was carefully- 

 distilled down to 5 — 10 c. c. This was then saturated with nitric 

 acid and evaporated to dryness, the temperature being finally raised 

 high enough to charr and burn off most of the organic matter. 

 Washing out the residue with nitric acid and water and testing for 

 copper, gave no indications of copper, showing that the gasoline 

 exerted extremely slight or no solvent action on copper. 



Chemical Laboratory, U. N. C. F. P. Venable. 



