Modified Kroll'sKroll's Modified
Modified Kroll's Reagent
Material Specific
Composition
1ml HF, 3ml HNO₃, 100ml H₂O
1%
Method
Swabbing
Time
5s
Alternative Names
Tags
Reveals
Alpha-beta phases, grain boundaries
Typical Results
Less aggressive version of Kroll's reagent. Good for sensitive titanium microstructures.
Color Effects
Alpha phase light, beta phase dark
Compatible Materials
Incompatible Materials
Application Method
Method:swabbing
Typical Time:5 seconds
Preparation Notes
CAUTION: HF is extremely hazardous. Mix 1ml HF, 3ml HNO₃, and 100ml water in plastic container. Use fume hood and proper PPE.
Application Notes
Swab sample for 5-15 seconds. Do not immerse. Rinse immediately with copious water.
Troubleshooting
HF causes severe burns. Always use in fume hood with proper PPE. Have calcium gluconate gel available. Less aggressive than standard Kroll's.
Storage Notes
Store in plastic container. Label clearly. Extremely hazardous - follow safety protocols.
Alternative Etchants
- Kroll's Reagent
- Ti-AP-16
Similar Etchants
- Kroll's Reagent