MEASUREMENT OF THE APPARENT DISSOCIATION CONSTANTS OF CARBONIC ACID IN SEAWATER AT ATMOSPHERIC PRESSURE1

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 ′...

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Bibliographic Details
Published in:Limnology and Oceanography
Main Authors: Mehrbach, C., Culberson, C. H., Hawley, J. E., Pytkowicx, R. M.
Format: Article in Journal/Newspaper
Language:English
Published: Wiley 1973
Subjects:
Carbonic acid
Online Access:http://dx.doi.org/10.4319/lo.1973.18.6.0897
https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.4319%2Flo.1973.18.6.0897
https://aslopubs.onlinelibrary.wiley.com/doi/pdf/10.4319/lo.1973.18.6.0897
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Summary: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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