Kroll's Reagent
material specific
Composition
2-3ml HF, 5ml HNO₃, 100ml H₂O
2-3%
Method
swabbing
Time
5s
Basic Information
Category:Material Specific
Composition:2-3ml HF, 5ml HNO₃, 100ml H₂O
Concentration:2-3%
Reveals:Alpha-beta phases, grain boundaries
Typical Results:Standard etchant for titanium alloys. Reveals alpha and beta phases with good contrast.
Color Effects:Alpha phase light, beta phase dark
Available from PACE Technologies
This etchant is available as a ready-to-use product.