Yahoo Groups archive

Homebrew PCBs

Index last updated: 2026-04-09 22:20 UTC

Message

Re: [Homebrew_PCBs] Removing ferric chloride stains

2006-10-03 by lists

In article <000801c6e729$c819fea0$0401a8c0@LEON3>,
   Leon Heller <leon.heller@...> wrote:
> I tried HCl once, it doesn't work! I've also tried bleach (chlorine) and
> H2O2 and they didn't work, either. I remember reading in an old book
> when I was a kid that oxalic acid was useful

The commercial FeCl3 stain remover I purchased (RS Components in the uk,
or maybe Farnell) contains Oxalic acid but, to be honest, I don't think
I've ever used it.

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.