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ISAAC shows light colored spots

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Applies to

Flowcell with ISAAC reference electrode

Summary

After a period of use the ISAAC reference electrode changed color. Light spot(s) are visible.

Cause

This is normal wear, there is a chance that the Ag/AgCl coating disappears after prolonged use.

Diagnosis and Remedy

Polishing and coating of the ISAAC is advised. See flowcell user manual for details on ISAAC maintenance.

Fig. 1. Example of color change (white spots) on an ISAAC reference electrode.

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