Experimental vapour pressures of eight n-Alkanes (C17, C18, C20, C22, C24, C26, C28 and C31) at ambient temperatures

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@article{4be21d14e5d34f79ba51e310452b492c,
title = "Experimental vapour pressures of eight n-Alkanes (C17, C18, C20, C22, C24, C26, C28 and C31) at ambient temperatures",
abstract = "We present direct room-temperature vapour pressure measurements for eight semi-volatile n-alkanes of atmospheric importance. Measured vapour pressures range from 8.4 ±1.6 x 10-3 Pa for C17, to 1.7 ±0.6 x 10-8 Pa for C31. The new measurements for C17-C18 are in reasonable agreement but at the lower end of values in the literature; the new measurements for C28 and C31 are one-to-two orders of magnitude higher than most literature values, but six orders of magnitude higher than the lowest values in the literature. Our measurements are suitable for atmospheric aerosol modelling and interpretation of environmental measurements, interpolated in carbon number where necessary, and extrapolated over temperatures relevant to the atmospheric boundary layer using the Clausius-Clapeyron equation with literature values of the enthalpy of vaporisation.",
keywords = "Physico-chemical properties, vapour pressure, n-alkanes",
author = "Salim Alam and Irina Nikolova and Ajit Singh and MacKenzie, {A. Robert} and Roy Harrison",
year = "2019",
month = sep
day = "15",
doi = "10.1016/j.atmosenv.2019.06.025",
language = "English",
volume = "213",
pages = "739--745",
journal = "Atmospheric Environment",
issn = "1352-2310",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Experimental vapour pressures of eight n-Alkanes (C17, C18, C20, C22, C24, C26, C28 and C31) at ambient temperatures

AU - Alam, Salim

AU - Nikolova, Irina

AU - Singh, Ajit

AU - MacKenzie, A. Robert

AU - Harrison, Roy

PY - 2019/9/15

Y1 - 2019/9/15

N2 - We present direct room-temperature vapour pressure measurements for eight semi-volatile n-alkanes of atmospheric importance. Measured vapour pressures range from 8.4 ±1.6 x 10-3 Pa for C17, to 1.7 ±0.6 x 10-8 Pa for C31. The new measurements for C17-C18 are in reasonable agreement but at the lower end of values in the literature; the new measurements for C28 and C31 are one-to-two orders of magnitude higher than most literature values, but six orders of magnitude higher than the lowest values in the literature. Our measurements are suitable for atmospheric aerosol modelling and interpretation of environmental measurements, interpolated in carbon number where necessary, and extrapolated over temperatures relevant to the atmospheric boundary layer using the Clausius-Clapeyron equation with literature values of the enthalpy of vaporisation.

AB - We present direct room-temperature vapour pressure measurements for eight semi-volatile n-alkanes of atmospheric importance. Measured vapour pressures range from 8.4 ±1.6 x 10-3 Pa for C17, to 1.7 ±0.6 x 10-8 Pa for C31. The new measurements for C17-C18 are in reasonable agreement but at the lower end of values in the literature; the new measurements for C28 and C31 are one-to-two orders of magnitude higher than most literature values, but six orders of magnitude higher than the lowest values in the literature. Our measurements are suitable for atmospheric aerosol modelling and interpretation of environmental measurements, interpolated in carbon number where necessary, and extrapolated over temperatures relevant to the atmospheric boundary layer using the Clausius-Clapeyron equation with literature values of the enthalpy of vaporisation.

KW - Physico-chemical properties

KW - vapour pressure

KW - n-alkanes

UR - http://www.scopus.com/inward/record.url?scp=85069556830&partnerID=8YFLogxK

U2 - 10.1016/j.atmosenv.2019.06.025

DO - 10.1016/j.atmosenv.2019.06.025

M3 - Article

VL - 213

SP - 739

EP - 745

JO - Atmospheric Environment

JF - Atmospheric Environment

SN - 1352-2310

ER -