Simultaneous determination of the partial vapor pressures for a binary mixture of ferrocene and benzoic acid using UV/Vis absorbance spectroscopy

Fondren, Zachary T.; Hikal, Walid M.; Weeks, Brandon L.

doi:10.1007/s10973-019-08731-6

J Therm Anal Calorim

2019

DOI: 10.1007/s10973-019-08731-6

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Simultaneous determination of the partial vapor pressures for a binary mixture of ferrocene and benzoic acid using UV/Vis absorbance spectroscopy

Zachary T. Fondren

Walid M. Hikal

Brandon L. Weeks

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2024

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New static apparatus STAT9 for vapor pressure measurements at temperatures up to 463 K

Štejfa,

Fulem,

Růžička

2024

J Therm Anal Calorim

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In this work, a state-of-the-art static apparatus for vapor pressure measurements in a temperature range of 363−463 K and a wide pressure range of 1−13,330 Pa is introduced and described. The performance of the apparatus was evaluated by a meticulous procedure of measuring the vapor pressure of five reference materials of different volatility, anthracene, benzophenone, ferrocene, naphthalene, and dibenzothiophene. The last two compounds were studied in the blind test regime, i.e., the results were compared to literature only after finishing the experiments. During benchmarking the performance of the apparatus, it was found appropriate to develop new vapor pressure equations for ferrocene and anthracene that included high-temperature data from the STAT9 apparatus. By combining the new data with previously selected vapor pressures, sublimation enthalpies, and ideal-gas and condensed phase heat capacities, we have obtained a consistent sublimation pressure equation for anthracene and ferrocene. For anthracene, the correlation procedure covered melting properties and liquid-phase vapor pressure data to support the description of the high-temperature region. The revised vapor pressure equations and sublimation enthalpies may serve as solid foundation for future research in this field.

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New static apparatus STAT9 for vapor pressure measurements at temperatures up to 463 K

Štejfa,

Fulem,

Růžička

2024

J Therm Anal Calorim

View full text Add to dashboard Cite

show abstract

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Simultaneous determination of the partial vapor pressures for a binary mixture of ferrocene and benzoic acid using UV/Vis absorbance spectroscopy

Cited by 1 publication

References 147 publications

New static apparatus STAT9 for vapor pressure measurements at temperatures up to 463 K

New static apparatus STAT9 for vapor pressure measurements at temperatures up to 463 K

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