Marble's Reagent
material specific
Composition
10g CuSO₄, 50ml NH₄OH, 50ml H₂O
Mixed
Method
immersion
Time
30s
Basic Information
Category:Material Specific
Composition:10g CuSO₄, 50ml NH₄OH, 50ml H₂O
Concentration:Mixed
Reveals:Grain boundaries, twinning
Typical Results:For copper and brass. Reveals grain boundaries and twins.
Color Effects:Grain boundaries dark, twins visible
Available from PACE Technologies
This etchant is available as a ready-to-use product.