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ASTM etchant No. 126 - Mg-Al, Mg-Al-Zn (Al + Zn <5%

Material Name: Mg-Al, Mg-Al-Zn (Al + Zn <5%
Recipe No.: 4536
Primary Chemical Element in Material: Mg
Sample Type: Bulk
Uses: General microstructure
Etchant Name: ASTM etchant No. 126
Type (Macro/Micro): Micro
Etching Method: Chemical
Etchant (Electrolyte) Composition: 30 cm3 acetic acid, 15 cm3 water, 6 g picric acid, 100 cm3 95% ethanol or 95% methanol.
Procedure (Condition): No data
Note: Mg-Al, Mg-Al-Zn (Al + Zn <5%.
Reference: Fred Hargreaves (Ret.), Personal Etchants Database 1960-1990, Analytical Services Bookham Technology, Caswell, Towcester, Northamptonshire NN8EQ, UK.