Abstract:Platinized platinum based hydrogen gas electrodes, Pt(Pt)|H2(g)|H+(aq), and silver‐silver chloride electrodes, Ag|AgCl|Cl− (aq), make up the Harned cell, without transfer, working in the potentiometric mode at Cl− concentrations and ionic strengths, I, below 0.1 mol kg−1, for assigning primary pH values to reference pH buffer solutions. This work reports on experiments performed at higher I and Cl− solutions up to 0.7 mol kg−1, aiming at addressing seawater conditions with results of equally high quality. In t… Show more
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