The Vapor Pressure and Critical Constants of Neopentane
The vapor pressure of neopentane has been measured from 50° to the critical point. The equation, log10p(atmos)=3.901633−1136.462T+4.99118×10−4T (T=t∘C+273.16),gives a fair representation of the observations. A study of the compressibility of neopentane in the critical region gives for the critical...
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Veröffentlicht in: | The Journal of chemical physics 1951-07, Vol.19 (7), p.948-949 |
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Hauptverfasser: | , , |
Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | The vapor pressure of neopentane has been measured from 50° to the critical point. The equation, log10p(atmos)=3.901633−1136.462T+4.99118×10−4T (T=t∘C+273.16),gives a fair representation of the observations.
A study of the compressibility of neopentane in the critical region gives for the critical temperature, pressure, volume, and density the values: tc = 160.60°±0.05°C (Int.), pc = 31.57±0.03 normal atmospheres, Vc = 0.303 liter per mole (4.20 ml per g), dc = 3.30 mole/liter (0.238 g per ml). The uncertainty in the critical volume and density is 1 percent. |
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ISSN: | 0021-9606 1089-7690 |
DOI: | 10.1063/1.1748412 |