What Happens When Lead Tartrate is Heated?

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SUMMARY

The heating of Lead Tartrate (PbC4H4O6) results in a transformation into a black powder, which is likely a pyrophoric form of lead. This reaction occurs when the compound is heated until it is completely black and no longer emits smoke. Upon exposure to air, the black powder ignites and produces a yellow-green smoke, indicating a chemical reaction with oxygen. This process exemplifies the pyrolysis of Lead Tartrate and its subsequent behavior when exposed to atmospheric conditions.

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  • Understanding of pyrolysis and thermal decomposition
  • Familiarity with the chemical properties of Lead Tartrate
  • Knowledge of pyrophoric materials and their reactions
  • Basic laboratory safety protocols when handling reactive substances
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  • Study the properties and handling of pyrophoric materials
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Chemistry students, laboratory technicians, and researchers interested in the thermal behavior of organic compounds and the properties of pyrophoric materials.

Blade2point0
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Hello,

For my lab I was instructed to weigh out 1 gram of Lead Tartrate (PbC4H4O6)
and place it into a test tube. I was then told to hold the tube over the lit burner until the lead tartrate was completely black and smoke was no longer forming. I was then told to pour the black powder into a plastic container. As soon as it was released from the test tube the black powder burst into flames and released a yellow/green smoke.

I need to know what the black powder was (a pyrophoric version of lead maybe?) and if the reaction to oxygen in the air changed the black powder.

Any help would be wonderful, thanks.
 
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This is spectacular! Thank you very much.
 

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