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Elimination of equivalence point errors in the potentiometric titration of chloride, bromide and iodide mixtures with silver nitrate

Ellwood, Michael; Hunter, K; Cunninghame, Robert G


When two or more halides are determined in solution by precipitation titration with silver nitrate as the titrant, significant errors can occur at the first equivalence point as a result of coprecipitation. Errors of up to 33% were found for the first equivalence point for solutions containing mixtures of halides at micromolar levels. The addition of a flocculating agent to the solution reduced coprecipitation by increasing the rate of exchange between the precipitated silver halide and the...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
Source: Microchemical Journal
DOI: 10.1016/S0026-265X(03)00023-7


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