Ammonium Persulfate

material specific

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Composition

10% (NH₄)₂S₂O₈ in H₂O

10%

Method

immersion

Time

30s

Basic Information

Category:Material Specific
Composition:10% (NH₄)₂S₂O₈ in H₂O
Concentration:10%
Reveals:Grain boundaries, twinning
Typical Results:Excellent for copper and brass. Reveals grain boundaries and annealing twins clearly.
Color Effects:Grain boundaries dark, twins visible

Available from PACE Technologies

This etchant is available as a ready-to-use product.

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