Method and apparatus for measuring silver ion activity

A method of measuring the silver ion activity of a mixed halide solution or dispersion comprises measuring the potential difference between a silver halide coated silver electrode (2) and a reference electrode (3) immersed in the solution or dispersion. Prior to measuring the potential difference an...

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Bibliographic Details
Main Author EDWARDS, STEPHEN JOHN
Format Patent
LanguageEnglish
French
German
Published 15.03.1995
Edition6
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Summary:A method of measuring the silver ion activity of a mixed halide solution or dispersion comprises measuring the potential difference between a silver halide coated silver electrode (2) and a reference electrode (3) immersed in the solution or dispersion. Prior to measuring the potential difference an electrical pulse is applied to the silver electrode which in a first phase electrochemically strips the electrode surface and in a second phase electrochemically coats the electrode with a silver halide having the halide ion ratio of the solution or dispersion.
Bibliography:Application Number: EP19940202548