FeCl₃Iron(III) Chloride
Ferric Chloride
Material Specific
Composition
5-10g FeCl₃, 25ml HCl, 100ml H₂O
5-10%
Method
Immersion
Time
20s
Alternative Names
Tags
Reveals
Grain boundaries, phases
Typical Results
Good for copper alloys and bronzes. Reveals grain structure.
Color Effects
Grain boundaries dark
Compatible Materials
Incompatible Materials
Application Method
Method:immersion
Typical Time:20 seconds
Preparation Notes
Dissolve 5-10g FeCl₃ in 25ml HCl, then add 100ml water.
Application Notes
Immerse sample for 20-40 seconds. Rinse with water.
Troubleshooting
May stain sample if over-etched. Reduce time if needed.
Storage Notes
Store in glass bottle. Shelf life: several months.
Alternative Etchants
- Ammonium Persulfate
Similar Etchants
- Ammonium Persulfate