The determination of sulfite usually is made only on boiler waters or on waters that have been treated with catalyzed sodium sulfite for corrosion prevention.
Standard potassium iodide-iodate titrant standardized to 0.0125N . Titrate with potassium iodide-iodate titrant until end point and faint permanent blue color develops.
The determination of sulfite usually is made only on boiler waters or on waters that have been treated with catalyzed sodium sulfite for corrosion prevention.