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Activity coefficients of RbCl or CsCl in methanol + ethanol + water were determined at 298.15 K by the cells containing ion-selective electrodes (ISEs). The molalities of RbCl and CsCl are up to approximately 1 mol·kg–1 in the mixed solvents, and the mass fractions of five aqueous MeOH/EtOH mixtures studied were (5/5, 10/5, 5/10, 10/10, and 15/15) %. The experimental data were optimized using the extended Debye–Hückel, the Pitzer, and the modified Pitzer equations. The results of the apparent standard electromotive force E0* of the three equations are in good agreement. The mean activity coefficients and the standard Gibbs energy of transfer of RbCl or CsCl from pure water to mixed solvents (MeOH + EtOH + water) were also calculated.
| Autoren: | Yanping Du; Shu’ni Li; Quanguo Zhai; Yucheng Jiang; Mancheng Hu | |
| Journal: | Journal of Chemical & Engineering Data | |
| Jahrgang: | 2013 | |
| DOI: | 10.1021/je400432x | |
| Erscheinungsdatum: | 19.08.2013 |
We recently generalized the formerly alignment-dependent multivariate image analysis applied to quantitative structure–activity relationships (MIA-QSAR) method through the application of the discrete Fourier transform (DFT), allowing for its application to noncongruent and structurally dive ... mehr
Proteomic Analysis of the Downstream Signaling Network of PARP1
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Oxygen Activation and Energy Conservation by Cytochrome c Oxidase
This review focuses on the type A cytochrome c oxidases (CcO), which are found in all mitochondria and also in several aerobic bacteria. CcO catalyzes the respiratory reduction of dioxygen (O2) to water by an intriguing mechanism, the details of which are fairly well understood today as a r ... mehr
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