Can pH sensors be used in 32% Hydrochloric acid?

Document ID

Document ID TE2132

Published Date

Published Date 03/06/2019
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Question
Can pH sensors be used in 32% Hydrochloric acid?
Summary
PH/ORP Sensors in 32% HCl
Answer
Never put a pH sensor in 32% HCl. pH sensors are unable to make a measurement in that concentration of acid and may be damaged. Use electrodeless conductivity instead.

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