Chemical Compatibility
pH/ORP Instrument — Salts/Brines
Moderate evidence
Named chemicals
Cyanide (CN-)Hexavalent Chromium (Cr6+)
What LibertyCES's vendor documentation shows
PHED explicitly named for electroplating media contaminated with Cr6+ and CN-.
Materials documented for this service
- Open-ring diaphragm (PHEX/RHEX)
Products cited for this service
ProMinent PHED/PHEX/RHEX
Sourced to
- prominent-sensors-controllers.md
Every material and product claim on this page traces to the vendor documentation listed above. Chemical compatibility depends on exact concentration, temperature, and duty cycle — confirm current specifications with the manufacturer and request a spec review before final specification.