Hydronium ion activity in strongly acidic media.  Remarkable agreement between independent estimates

Yates, Keith; McClelland, Robert A.

doi:10.1021/ja00790a076

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1973

1983

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Cited by 11 publications

(2 citation statements)

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“…Preliminary experiments Journal of the American Chemical Society / 97:6 / March a Obtained by extrapolation to zero equilibration time. 6 Obtained directly without extrapolation. c Obtained by quantitative tic separation method.…”

Section: Resultsmentioning

confidence: 99%

Operational scale of hydronium ion activities for strongly acidic media

Modro¹,

Yates²,

Janata³

1975

J. Am. Chem. Soc.

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Section: Resultsmentioning

confidence: 99%

Operational scale of hydronium ion activities for strongly acidic media

Modro¹,

Yates²,

Janata³

1975

J. Am. Chem. Soc.

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“…--' ' I tions, Scales have of been log a'"-, calculated derived for from aqueous a number H'SO, of and acidity HC10, func- (20, , / 85), and the former confirmed by HGF measurements (239).…”

Section: Himentioning

confidence: 90%

Acidity functions: an update

Cox¹,

Yates²

1983

Can. J. Chem.

151

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. 61, 2225 (1983).The subject of acidity functions is reviewed, with emphasis on rnodcrn developrncnts. H o and othcr scales determined in acid media, using the Hammett cancellation assumption (zero'th order approximation) are discussed bricfly. The extension to strongly basic systems is also documcnted. Literature references to acidity function scalcs in aqueous acid, aqueous acidlorganic solvcnt, and aqueous base media are tabulated, togcther with those in aqueous baselorganic solvent mixtures at both variable and fixed base concentration. Over 400 acidity functions are referenced, including several electrochemical scales. Various approaches to developing universal functions from the data are discussed. Proton activity scales, based on the Yates-McClelland method of pKBH+ determination, and on electrochemical HoF scales, are prominent among these. Carpentier's method is mentioned, and the first-order approximation, assumed linearity among log activity coefficient ratios, is used to introduce the Bunnett-Olsen and excess acidity (X-function) methods. A brief critical discussion of which method to use is provided. Future developments anticipate the second-order approximation, with a quadratic dependence of log ionization ratios upon X-functions. The review cites 337 individual references. [Traduit par le journal]

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ChemInform Abstract: HYDRONIUMIONENAKTIVITAET IN STARK SAUREN MEDIEN, BEMERKENSWERTE UEBEREINSTIMMUNG ZWISCHEN UNABHAENGIGEN BESTIMMUNGEN

Yates¹,

McClelland²

1973

Chemischer Informationsdienst

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Hydronium ion activity in strongly acidic media. Remarkable agreement between independent estimates

Cited by 11 publications

References 3 publications

Operational scale of hydronium ion activities for strongly acidic media

Operational scale of hydronium ion activities for strongly acidic media

Acidity functions: an update

ChemInform Abstract: HYDRONIUMIONENAKTIVITAET IN STARK SAUREN MEDIEN, BEMERKENSWERTE UEBEREINSTIMMUNG ZWISCHEN UNABHAENGIGEN BESTIMMUNGEN

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