Naked Science Forum
Non Life Sciences => Chemistry => Topic started by: Lewis Thomson on 26/05/2022 13:56:12
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Johnny would like help finding the answer to this question.
"At what pressure & temperature does Carbon become a liquid?"
Discuss in the comments your answers...
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Hi.
This is the only phase diagram I found:
[ Invalid Attachment ]
Under the temperatures and pressures shown for the yellow section, it should be liquid.
It's from a discussion here: https://chemistry.stackexchange.com/questions/6068/what-is-known-about-liquid-carbon
I cannot vouch for the reliability of this information.
Best Wishes.
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Another property of liquid carbon is that it will glow: At a temperature of around 5000K, it will give off white light.
You need to ensure that carbon is not exposed to oxygen as you heat it, as it will no longer be carbon...