Acid-base strengths in m-cresol

M. Bos; E.A.M.F. Dahmen

doi:10.1016/S0003-2670(01)95124-4

Acid-base strengths in m-cresol

M. Bos, E.A.M.F. Dahmen

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Abstract

For various acids and bases dissociation constants were determined conductimetrically in m-cresol. A glass electrode was calibrated by means of some compounds with dissociation constants known from conductivity measurements. Potentiometric titrations with this calibrated glass electrode gave dissociation constants of some other acids and bases in m-cresol. The value 2·10−19 was found for the self-dissociation constant of m-cresol. From the difference pKa (cresol) - pKa (pyridine) for those compounds having acid or base strengths which are not levelled either in pyridine or m-cresol, it was found that the solvent m-cresol has a basicity about 8 pK units less than that of pyridine.

Original language	English
Pages (from-to)	361-370
Journal	Analytica chimica acta
Volume	57
Issue number	2
DOIs	https://doi.org/10.1016/S0003-2670(01)95124-4
Publication status	Published - 1971

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title = "Acid-base strengths in m-cresol",

abstract = "For various acids and bases dissociation constants were determined conductimetrically in m-cresol. A glass electrode was calibrated by means of some compounds with dissociation constants known from conductivity measurements. Potentiometric titrations with this calibrated glass electrode gave dissociation constants of some other acids and bases in m-cresol. The value 2·10−19 was found for the self-dissociation constant of m-cresol. From the difference pKa (cresol) - pKa (pyridine) for those compounds having acid or base strengths which are not levelled either in pyridine or m-cresol, it was found that the solvent m-cresol has a basicity about 8 pK units less than that of pyridine.",

author = "M. Bos and E.A.M.F. Dahmen",

year = "1971",

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AU - Bos, M.

AU - Dahmen, E.A.M.F.

PY - 1971

Y1 - 1971

N2 - For various acids and bases dissociation constants were determined conductimetrically in m-cresol. A glass electrode was calibrated by means of some compounds with dissociation constants known from conductivity measurements. Potentiometric titrations with this calibrated glass electrode gave dissociation constants of some other acids and bases in m-cresol. The value 2·10−19 was found for the self-dissociation constant of m-cresol. From the difference pKa (cresol) - pKa (pyridine) for those compounds having acid or base strengths which are not levelled either in pyridine or m-cresol, it was found that the solvent m-cresol has a basicity about 8 pK units less than that of pyridine.

AB - For various acids and bases dissociation constants were determined conductimetrically in m-cresol. A glass electrode was calibrated by means of some compounds with dissociation constants known from conductivity measurements. Potentiometric titrations with this calibrated glass electrode gave dissociation constants of some other acids and bases in m-cresol. The value 2·10−19 was found for the self-dissociation constant of m-cresol. From the difference pKa (cresol) - pKa (pyridine) for those compounds having acid or base strengths which are not levelled either in pyridine or m-cresol, it was found that the solvent m-cresol has a basicity about 8 pK units less than that of pyridine.

U2 - 10.1016/S0003-2670(01)95124-4

DO - 10.1016/S0003-2670(01)95124-4

M3 - Article

VL - 57

SP - 361

EP - 370

JO - Analytica chimica acta

JF - Analytica chimica acta

SN - 0003-2670

IS - 2

ER -