Titrators are available to perform a titration using the iodide ISE. With this titration an iodide electrode is used as an indicator to follow the progress and detect the endpoint of a titration of iodide containing samples with silver nitrate. The electrode can be used in colored samples of high or variable ionic strength for increased accuracy of the determination. During the titration the sensor follows the decrease in iodide concentration while small additions of silver nitrate titrant are added. The silver reacts with the iodide ions forming a precipitate of silver iodide. At the stoichiometric end point, a large change in mV occurs. Hanna Instruments offers titration systems with one or two analog board inputs and options for one or two dosing pumps.

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