Nitrogen Preparation

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“The bottle (a) serves as an aspirator to draw airthrough the apparatus and also to collect the residual nitrogen. the oxygen is removed by combining it with copper (gauze) in the hard glass tube (c), which is heated by the combustion furnace (b)...air has to pass through the bottles (ee) containing a concentrated solution of potassium hydroxide to take out the carbon dioxide, and through the bottles (dd) containing concentrated sulphuric acid to remove the water vapor or moisture. The nitrogen [is] collected in a.” -Brownlee 1907


Brownlee, Raymond B., Fuller, Robert W., Hancock, William J., Sohon, Michael D., Whitsit, Jesee E. First Principles of Chemistry (Boston: Allyn and Bacon, 1907) 172


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