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Glossary

High-Potential vs. Standard-Potential Magnesium

Anode Materials

Two grades of magnesium anode. High-potential magnesium delivers roughly -1.75 V versus a copper/copper sulfate reference; standard-potential (H-1 or AZ63) delivers roughly -1.55 V. In the field, a drop of dilute phosphoric acid turns high-potential magnesium bright and standard-potential magnesium black.

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