Is it possible to tell something about the accuracy of Ion Selective Electrodes?

Document ID

Document ID TE10672

Version

Version 1.0

Status

Status Published

Published Date

Published Date 10/18/2018
Question
Is it possible to tell something about the accuracy of Ion Selective Electrodes?
Summary
There are too many factors that have influence, so we cannot state on Ion Selective Electrode accuracy.
 
Answer
In ideal conditions and in the linear response range of the sensor error can be lower than 1%.
 
But, we have no data about ISE electrode accuracy.
It depends on too many factors like:
Sample matrix
Concentration range
Element to determine
Age of the sensor
Maintenance
 
That is why we recommend daily calibration.
 

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