influence of the stationary and mobile phase composition in ideal chromatographic systems on the log k values in column chromatography. i. ods/methanol–water system

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2000
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Abstract
On the basis of the literature data it was established that in the case of ODS column chromatography with methanol as modifier the value log xS/x1 (where xS and x1 denote methanol mole fractions in the stationary and the mobile phase, respecitvely) is a linear function of the corresponding Bosch’s PMN parameter as well as of the log k value of the investigated substances. It was also found that the phase equilibrium in the system ODS/methanol-water is in accordance with the Everett’s equation for ideal systems (K = 10.88). Finally, a linear relationship between the log xS/x1 values and the volume fraction of methanol (j) was found in the range of 0.5–1.0, which corresponds to the linear part of the function log k = f(j), established experimentally by other authors.
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Authors G. Vuckovic, M. B. Celap, T. J. Janjic
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Journal meditsinskaia radiologiia
Year 2000
DOI
DOI not found
URL
http://www.shd.org.yu/HtDocs/SHD/Vol65/No10-Pdf/JSCS10-06.pdf
Keywords
rpp scalechemistry

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