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Methodology

The system consists of a dosing instrument (Metrohm Dosimat 876 Plus) to deliver acid, a pH electrode and accompanying amplifier, a multichannel digital volt meter (Agilent 34970A) to measure temperatures and emf, a stirrer, and a computer with software to run the system and calculate the results.

Reference

Dickson, A.G., Afghan, J.D, Anderson, G.C. 2003. Marine Chemistry. 80: 185-197.
Dickson, A.G. Sabine, C.L. and Christian, J.R. (Eds.) 2007. Guide to Best Practices for Ocean CO2 Measurements. PICES Special Publication 3, 191 pp.