The controversial carbon solid–liquid–vapour triple point

  title={The controversial carbon solid–liquid–vapour triple point},
  author={A. Whittaker},
  • A. Whittaker
  • Published 1978
  • Materials Science
  • Nature
  • THE controversy over the solid-liquid-vapour (S–L–V) triple point of carbon began in 1849 (ref. 1). Since then, investigators have developed widely differing points of view which are discussed here. Some believe the triple-point pressure is ∼105 Pa (∼1 atm), whereas others believe it is ∼107 Pa (∼100 atm). Over the past 40 yr, the 107 Pa view has dominated but the evidence is not entirely convincing. In the past few years, new evidence has been obtained that apparently ends the controversy at… CONTINUE READING
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