The salt, it appeared, was obtained by simple sublimation from soot.
It is a white solid which can be obtained crystalline by sublimation in a current of chlorine.
We may also consider here cases of sublimation wherein a solid vaporizes and the vapour condenses without the occurrence of the liquid phase.
When a heat press is used, the sublimation ink turns to a gas when it reaches approximately 392 degrees Fahrenheit, or 200 degrees Celsius.
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