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The measurement of sea water pH
Dickson, A.G. (1993). The measurement of sea water pH. Mar. Chem. 44(2-4): 131-142.
In: Marine Chemistry. Elsevier: Amsterdam. ISSN 0304-4203, more
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  • Dickson, A.G.

    This paper reviews the thermodynamic basis of two approaches that are used to measure the total hydrogen ion concentration of sea water, potentiometry using a glass electrode and spectroscopy using an indicator dye. Both of these methods depend ultimately on measurements made using the classical hydrogen/silver-silver chloride cell for their calibration and thus provide equivalent pH scales. As a result of recent advances in measurement techniques and calibration, we should expect to see a revival in the popularity of pH measurements and a renewed understanding of the importance of this parameter in interpreting acid-base processes in sea water; particularly those involving the geochemically important carbon dioxide system.

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