When performing a titration procedure, if the color keeps changing back and forth between the initial and final colors are the reagents bad?

Document ID

Document ID TE881

Version

Version 3.0

Status

Status Published

Published Date

Published Date 09/20/2018
Question
When performing a titration procedure, if the color keeps changing back and forth between the initial and final colors are the reagents bad?
Summary
The color change won't stabilize in a titration
Answer
During a titration procedure, the color may vacillate between the initial and final colors as the end point draws close. The operator should wait for the color to stabilize (approximately 15 seconds). If the color stabilizes on the final color, then the titration is complete; if the color stabilizes on the initial color the operator should continue adding titrant.

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