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Mg and alloys - Chemical etching

Material Name: Mg and alloys
Recipe No.: 10727
Primary Chemical Element in Material: Mg
Sample Type: Bulk
Uses: General microstructure
Etchant Name: None
Type (Macro/Micro): Micro
Etching Method: Chemical
Etchant (Electrolyte) Composition: 100 ml ethanol, 5 g picric acid, 5 ml acetic acid, 10 ml distilled water.
Procedure (Condition): No data
Note: For Mg and alloys. Reveals grain boundaries.
Reference: Vander Voort, Metallography Principles and Practice, McGraw-Hill, Inc., 1984, p. 658.