
Curated with aloha by
Ted Mooney, P.E. RET

The authoritative public forum
for Metal Finishing 1989-2025

-----
Copper Residue in FeCl3 Etchant
Hello,
We are using FeCl3 as the etchant for copper material, however, there is always copper residue left in our system. I would like to know is there any chemical to add in so as to dissolve or minimize the residue in the tank. Thanks in advance.
Ken Wah- Hong Kong
2001
Q, A, or Comment on THIS thread -or- Start a NEW Thread