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Author: Subject: Is liquid carbon ever prepared ?
International Hazard

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[*] posted on 18-1-2022 at 12:52
Is liquid carbon ever prepared ?

Literature says that Carbon does not melt under ambient pressure, but sublimes at 3700 C. Over 10 GPa (100 bar) it can be molten, but is it ever done ?
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International Hazard

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[*] posted on 18-1-2022 at 22:44

There are two papers cited.
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potassium Prometheus

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[*] posted on 19-1-2022 at 07:48

A graphite cylinder can be placed in a pressure chamber filled with argon. When a strong electric current is applied at a pressure of 150 atm, the center of the cylinder will melt. Thus, molten carbon beads with a diameter of 1-3 mm are obtained.

Source: "Carbon at High Temperatures" page 19 (download from

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