What concentration of HF can the HF resistant pH sensor handle?

Document ID

Document ID TE2406

Version

Version 4.0

Status

Status Published

Published Date

Published Date 03/30/2018
Question
What concentration of HF can the HF resistant pH sensor handle?
Summary
pH sensors and acceptable HF concentrations.
Answer
The sensor is fairly accurate up to pH 2. If all of the acid is in the form of HF, that would imply 0.01 Molar acid. The probe will hold integrity with transient conditions down to 0.1 Molar, although this would compromise the probe's accuracy.

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