Nitrogen - Lab Preparation

In summary, nitrogen gas can be prepared in a laboratory by using fractional distillation to separate air into its components. The necessary equipment includes a distillation column, condenser, heat source, and collection flasks. Nitrogen gas is used in lab experiments because of its inert properties. Safety precautions when working with nitrogen gas include wearing protective gear and ensuring proper ventilation. While fractional distillation is the most common method, nitrogen gas can also be prepared by decomposing certain compounds.
  • #1
danago
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Hey. Is anyone able to guide me as to how nitrogen gas can be produced in a laboratory, or give me links with information? I can't seem to find anything :(

Thanks,
Dan.
 
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  • #2
This can answer your question: http://www.natscience.com/Uwe/Forum.aspx/analytical/483/Nitrogen-production-from-sodium-nitrite-and-sulfamic-acid" [Broken]
 
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  • #3
danago, small amounts of nitrogen gas can be prepared by combining and gently warming a mixture of ammonium and nitrate salts:

NH4Cl + NaNO2 --> N2 + NaCl + H2O, using ammonium chloride and sodium nitrite
 

1. How is nitrogen gas prepared in a laboratory?

Nitrogen gas can be prepared in a laboratory by using the process of fractional distillation. This involves separating air into its different components, including nitrogen, through a series of condensation and evaporation steps.

2. What equipment is needed for lab preparation of nitrogen gas?

The equipment needed for lab preparation of nitrogen gas includes a distillation column, a condenser, a heat source (such as a Bunsen burner), and collection flasks.

3. Why is nitrogen gas used in laboratory experiments?

Nitrogen gas is used in laboratory experiments because it is an inert gas, meaning it does not readily react with other substances. This makes it useful for creating an oxygen-free environment for certain reactions or for preventing unwanted reactions.

4. What are the safety precautions when working with nitrogen gas in a lab?

Some safety precautions when working with nitrogen gas in a lab include wearing protective equipment, such as safety glasses and gloves, ensuring proper ventilation, and being aware of potential hazards, such as suffocation in a poorly ventilated area.

5. Can nitrogen gas be prepared by other methods besides fractional distillation?

Yes, nitrogen gas can also be prepared in a laboratory through the decomposition of certain compounds, such as ammonium nitrite or sodium azide. However, fractional distillation is the most common and efficient method for preparing nitrogen gas.

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