MEASUREMENT OF THE APPARENT DISSOCIATION CONSTANTS OF CARBONIC ACID IN SEAWATER AT ATMOSPHERIC PRESSURE 1 | Zendy

Mehrbach C. | Zendy; Culberson C. H. | Zendy; Hawley J. E. | Zendy; Pytkowicx R. M. | Zendy

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MEASUREMENT OF THE APPARENT DISSOCIATION CONSTANTS OF CARBONIC ACID IN SEAWATER AT ATMOSPHERIC PRESSURE 1

Author(s) -

Mehrbach C.,

Culberson C. H.,

Hawley J. E.,

Pytkowicx R. M.

Publication year - 1973

Publication title -

limnology and oceanography

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.7

H-Index - 197

eISSN - 1939-5590

pISSN - 0024-3590

DOI - 10.4319/lo.1973.18.6.0897

Subject(s) - seawater , carbonic acid , environmental chemistry , dissociation (chemistry) , chemistry , dissociation constant , environmental science , oceanography , atmospheric sciences , geology , biochemistry , receptor

The apparent dissociation constants of carbonic acid in seawater were determined as functions of temperature (2–35°C) and salinity (19–43 ‰ ) at atmospheric pressure by measurement of K’x and the product K' K'2. At 35%° salinity and 25°C the measured values were p K ′ 1 = 6.000 and p K ′ 2 = 9.115; at 35 ‰ and 2°C the measured values were p K ′ 1 = 6.177 and p K ′ 2 = 9.431.

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