Controller for Plating
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Request a Spec Review →What LibertyCES's vendor documentation shows
Detailed chrome-reduction and cyanide-destruction control setpoints explicitly documented.
Products cited in this application
Real Specifications
| Chrome reduction pH control range | 2.0-2.5 optimum — reaction rate slows significantly by pH 3.0, very slow by pH 4.0 | gf-signet-application-solutions.md |
| Chrome reduction detention time | Minimum 15 minutes | gf-signet-application-solutions.md |
| Chrome reduction ORP setpoint | -300mV (-400mV max) at pH 2.0 | gf-signet-application-solutions.md |
| Cyanide destruction batch, Stage 1 | pH 11.5 via sodium hydroxide, chlorine to ORP +450mV; monitoring target 9.5 pH / 450mV post-neutralization | gf-signet-application-solutions.md |
| Cyanide destruction two-step | Stage 1 target oxidation below 0.1 ppm; Stage 2 pH lowered with sulfuric acid, up to 4-hour detention time | gf-signet-application-solutions.md |
Two explicit, named gas hazards are built into these setpoints: dropping chrome-reduction pH further than needed risks releasing hazardous sulfur dioxide gas, and letting cyanide-destruction pH drop below 11 during the batch process risks releasing toxic cyanogen chloride gas — both explicitly named by the vendor as controller-relevant safety limits, not general handling cautions.
A plating batch controller running chrome reduction or cyanide destruction isn't just holding a setpoint — it's the only thing standing between normal operation and a named toxic-gas release. GF Signet's own process documentation ties the pH 2.0-2.5 chrome-reduction range and the pH-11.5-with-a-hard-floor-at-11 cyanide-destruction sequence directly to SO2 and cyanogen chloride gas hazards.
Every claim on this page traces to real, vendor-published documentation on file with LibertyCES. Confirm current specifications with the manufacturer before final specification.
FAQ
Is Controller used in Plating?
Detailed chrome-reduction and cyanide-destruction control setpoints explicitly documented. This is strong evidence.
What products are specified for Controller in Plating?
Documented examples include Chrome reduction/cyanide destruction batch controller — confirm current specifications with the manufacturer before final selection.
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