Archive of the former Yahoo!Groups mailing list: Homebrew PCBs
Subject: modifying etchant recipe for milder HCl
From: "grantfair2001" <grant.fair@...>
Date: 2003-04-06
Hi Adam- the HCl I have is 20 deg. Baume or about 31.5% HCl, how
should I modify your recipe (in message 1367 - Preparation of cupric
chloride etchant)?
Grant