Method Abstract #74, Oxidation-Reduction Potential

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Oxidation-Reduction Potential

Method Abstract #74

Scope and Application

This method conforms to Standard Method 2580 and ASTM D 1498. It determines the redox potential of a sample.

Method Summary

The redox potential of the sample is determined directly using a redox electrode. No calibration is necessary.

Method Performance

*Light’s solution was prepared in the laboratory and is formulated from ferrous ammonium sulfate, ferric ammonium sulfate and sulfuric acid.

**This ORP standard is commercially available and was purchased for testing.

RSD values are better than those specified in Standard Methods.

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