A New Method for Corrosion Prevention

Corrosion caused by chloride and sulfate under high pressure water and steam conditions is a constant problem for power plants. Consequently, monitoring these ions at very low ppb limits is being specified as part of cycle chemistry guidelines and turbine warranty requirements. Ion Chromatography and Inductively Coupled Plasma instruments provide the sensitivity needed to measure at the required levels. However, their high cost and the skilled personnel necessary for their operation places them out of reach for most power plants. This white paper describes a new analyzer technology, Microfluidic Capillary Electrophoresis, that provides an affordable, convenient and dependable method for at-line, trace-level chloride and sulfate detection.