1966
DOI: 10.1021/ja00961a012
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Solvation of Ions. IX.1 The Effect of Anion Solvation on Acid Dissociation Constants in Methanol, Water, Dimethylformamide, and Dimethyl Sulfoxide

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Cited by 125 publications
(38 citation statements)
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“…The literature pK a values for the 2,6-dinitrophenol in MeOH [36] and in DMSO [37] are 7.8 and 4.9, respectively. The relationship E = {lg c(HA)/c(A À )}, where HA denotes 2,6-dinitrophenol and A À denotes tetra-nbutylammonium 2,6-dinitrophenolate was linear over the wide range of the ratio of concentrations (on the logarithmic scale a linear characteristic was observed over the range À1.2 to 0.5).…”
Section: Resultsmentioning
confidence: 99%
“…The literature pK a values for the 2,6-dinitrophenol in MeOH [36] and in DMSO [37] are 7.8 and 4.9, respectively. The relationship E = {lg c(HA)/c(A À )}, where HA denotes 2,6-dinitrophenol and A À denotes tetra-nbutylammonium 2,6-dinitrophenolate was linear over the wide range of the ratio of concentrations (on the logarithmic scale a linear characteristic was observed over the range À1.2 to 0.5).…”
Section: Resultsmentioning
confidence: 99%
“…In acetonitrile and acetone, the system consisted of picric acid and tetra-n-butylammonium picrate and the pK AN a and pK AC a values used were 11.0 and 6.3, respectively [11,12]. In methanol, dimethyl sulfoxide and propylene carbonate the standardizing system comprised 2,6-dinitrophenol and tetra-n-butylammonium 2,6-dichlorophenolate with pK MeOH a , pK DMSO a , and pK PC a values of 7.8, 4.9 and 13.45 were applied, respectively [13][14][15]. The linearity of the E ¼ f ðlg c HA =c A À Þ plot in AN, AC, DMSO, and MeOH was obtained over the range À1 through 1 and in PC it was in the range from À0.5 to 1.…”
Section: Resultsmentioning
confidence: 99%
“…In our investigations carried out in the amphiprotic methanol and aprotic dimethyl sulfoxide, a 2,6-dinitrophenoltetra-n-butylammonium 2,6-dinitrophenolate system was used as a potentiometric standard for calibration of the measuring system. The literature pK a values for 2,6-dinitrophenol in MeOH [40][41][42] and DMSO [43] …”
Section: Resultsmentioning
confidence: 99%