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Zinc - Chemical polishing

Material Name: Zinc
Recipe No.: 9867
Primary Chemical Element in Material: Zn
Sample Type: Bulk
Uses: Polishing
Etchant Name: None
Type (Macro/Micro): Micro
Etching Method: Chemical polishing
Etchant (Electrolyte) Composition: 1 part HNO3, 1 part H2O2 (30%), 1 part ethanol.
Procedure (Condition): Immerse sample for about 2 min. When preparing solution always add HNO3 to ethanol.
Note: Gilman and De Carlo
Reference: Vander Voort, Metallography Principles and Practice, McGraw-Hill, Inc., 1984, p. 560.