Basic dissociation constant for ethylamine by a convenient conductance method
Open Access
- 15 January 1969
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 47 (2) , 279-285
- https://doi.org/10.1139/v69-039
Abstract
A dilution technique is described which permits a determination of the ionization constant of amines by a conductance method, in a closed system. Small amounts (5–6 g) of the amine salt are required, making the method useful in studying isotope effects. Values of Ki for ethylamine over the temperature range 1.5–45.3 °C led to calculated values at 25 °C of ΔG = 4528.3 ± 0.8 cal/mole, ΔH = −266 ± 12 cal/mole, ΔS = −16.08 ± 0.04 cal/mole deg, ΔCp = −62.2 ± 1.8 cal/mole deg.Keywords
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