The vaporization enthalpy and vapor pressure of S (+)-methamphetamine at T=298.15K by correlation gas chromatography

•The vaporization enthalpy of (d)-methamphetamine was measured.•The vapor pressure of (d)-methamphetamine as a function of temperature was evaluated.•The vapor pressure of 4-benzylpiperidine as a function of temperature was evaluated. The vaporization enthalpy and vapor pressure of S (+)-methampheta...

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Bibliographic Details
Published in:The Journal of chemical thermodynamics 2014-06, Vol.73, p.51-56
Main Authors: Thornton, Melissa, Gobble, Chase, Chickos, James
Format: Article
Language:English
Subjects:
4-Benzylpiperidine
Correlation-gas chromatography
S (+)-methamphetamine
Vapor pressure
Vaporization enthalpy
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Summary:•The vaporization enthalpy of (d)-methamphetamine was measured.•The vapor pressure of (d)-methamphetamine as a function of temperature was evaluated.•The vapor pressure of 4-benzylpiperidine as a function of temperature was evaluated. The vaporization enthalpy and vapor pressure of S (+)-methamphetamine is evaluated by correlation-gas chromatography. A vaporization enthalpy of (58.7±4.3)kJ·mol−1 and a vapor pressure, p=(38±9)Pa has been obtained using a variety of secondary aliphatic amines as standards. In addition, equations describing the vapor pressure temperature dependence are provided for standards and S (+)-methamphetamine covering the temperature range from T=298.15K to the boiling temperature. Boiling temperatures are reproduced within an interval of 8K or less.
ISSN:0021-9614
1096-3626
DOI:10.1016/j.jct.2013.08.005