Precise coulometry: the titration of pure sodium carbonate

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Abstract
A method is given for the precise and accurate titration of sodium carbonate with hydrogen ions generated by the coulometer described in the preceding paper. This coulometer maintains automatically a constant current for a measured length of time. The results are in good agreement with those obtained by titration with standard acid referred to pure silver as the ultimate standard, and support proposals to establish the coulomb as a standard in volumetric analysis. Factors are discussed that affect the accuracy and precision of analysis by controlled current coulometry.

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