Beraha's Reagent
material specific
Composition
20g Na₂S₂O₅, 100ml H₂O, 1g K₂S₂O₅
Mixed
Method
immersion
Time
60s
Basic Information
Category:Material Specific
Composition:20g Na₂S₂O₅, 100ml H₂O, 1g K₂S₂O₅
Concentration:Mixed
Reveals:Phases, grain boundaries
Typical Results:Color etchant for stainless steels. Produces colored phases.
Color Effects:Colored phases
Available from PACE Technologies
This etchant is available as a ready-to-use product.