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Gas chromatographic study of the hydrogen bonding of aliphatic alcohols to tri- n-octylphosphine oxide
Retention volumes of 21 aliphatic alcohols were measured at five temperatures between 30 and 60°C in columns packed with different percentages of squalane or with solutions of tri- n-octylphosphine oxide (TOPO) in squalane coated on previously deactivated Chromosorb W. Experimental data fit to a 1:1...
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| Published in: | Journal of Chromatography A 2000-11, Vol.898 (1), p.103-109 |
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| Main Authors: | , , |
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| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c389t-2d6b3e930145d89b62f21961575ea42888c92e7e102b354cf0c9d847024051573 |
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| cites | cdi_FETCH-LOGICAL-c389t-2d6b3e930145d89b62f21961575ea42888c92e7e102b354cf0c9d847024051573 |
| container_end_page | 109 |
| container_issue | 1 |
| container_start_page | 103 |
| container_title | Journal of Chromatography A |
| container_volume | 898 |
| creator | Castells, Reynaldo César Mónica Romero, Lilian Miguel Nardillo, Angel |
| description | Retention volumes of 21 aliphatic alcohols were measured at five temperatures between 30 and 60°C in columns packed with different percentages of squalane or with solutions of tri-
n-octylphosphine oxide (TOPO) in squalane coated on previously deactivated Chromosorb W. Experimental data fit to a 1:1 alcohol–TOPO association model, with association constants ranging from 26 to 59 dm
3 mol
−1 at 45°C. Association constants follow the trend primary alcohols>secondary alcohols>tertiary alcohols, with minor differences between the members of each of these three groups. The association enthalpy for the 21 alcohols averages −21.8 kJ mol
−1, with a standard deviation of −1.3 kJ mol
−1 |
| doi_str_mv | 10.1016/S0021-9673(00)00802-5 |
| format | article |
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n-octylphosphine oxide (TOPO) in squalane coated on previously deactivated Chromosorb W. Experimental data fit to a 1:1 alcohol–TOPO association model, with association constants ranging from 26 to 59 dm
3 mol
−1 at 45°C. Association constants follow the trend primary alcohols>secondary alcohols>tertiary alcohols, with minor differences between the members of each of these three groups. The association enthalpy for the 21 alcohols averages −21.8 kJ mol
−1, with a standard deviation of −1.3 kJ mol
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n-octylphosphine oxide (TOPO) in squalane coated on previously deactivated Chromosorb W. Experimental data fit to a 1:1 alcohol–TOPO association model, with association constants ranging from 26 to 59 dm
3 mol
−1 at 45°C. Association constants follow the trend primary alcohols>secondary alcohols>tertiary alcohols, with minor differences between the members of each of these three groups. The association enthalpy for the 21 alcohols averages −21.8 kJ mol
−1, with a standard deviation of −1.3 kJ mol
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n-octylphosphine oxide (TOPO) in squalane coated on previously deactivated Chromosorb W. Experimental data fit to a 1:1 alcohol–TOPO association model, with association constants ranging from 26 to 59 dm
3 mol
−1 at 45°C. Association constants follow the trend primary alcohols>secondary alcohols>tertiary alcohols, with minor differences between the members of each of these three groups. The association enthalpy for the 21 alcohols averages −21.8 kJ mol
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| ispartof | Journal of Chromatography A, 2000-11, Vol.898 (1), p.103-109 |
| issn | 0021-9673 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_72520059 |
| source | ScienceDirect Freedom Collection |
| subjects | Alcohols Alcohols - chemistry Analytical chemistry Chemistry Chromatographic methods and physical methods associated with chromatography Chromatography, Gas - methods Exact sciences and technology Gas chromatographic methods Hydrogen Bonding Organophosphorus Compounds - chemistry Trioctylphosphine oxide |
| title | Gas chromatographic study of the hydrogen bonding of aliphatic alcohols to tri- n-octylphosphine oxide |
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