Etchant | Conc. | Conditions | Comments |
---|---|---|---|
Distilled water or Ethanol
Hydrochloric acid |
100 ml
1-5 ml |
Several minutes |
Zinc and zinc alloys |
Distilled water
Sodium Hydroxide |
100 ml
10 gm |
1-5 seconds | Low alloy zinc and pure zinc |
Distilled water
CrO3 Na2SO4 |
100 ml
|
Seconds |
Swabbing |
Zinc-aluminum alloy, 200X B.F., (etchant CrO3, Na2SO4) |
PACE Technologies
3601 E. 34th St.
Tucson, Arizona 85713
+1-520-882-6598
FAX +1-520-882-6599
email: pace@metallographic.com
https://www.metallographic.com