Homebrew PCBs

----- Original Message ----- 
From: "lcdpublishing" <lcdpublishing@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Monday, July 18, 2005 11:36 PM
Subject: [Homebrew_PCBs] Re: Etchant solutions - home-brew questions...


> --- In Homebrew_PCBs@yahoogroups.com, "Phil" <phil1960us@y...> wrote:
>> The clearest etchant I am aware of is ammonium persulphate (AP).  As
>> it gets consumed, it turns a rather pretty shade of blue but is still
>> clear enough to see through.
> 
> Is this (AP) something that you can make from common products or is it 
> something you purchase for this purpose?

You have to buy it.

Leon
--
Leon Heller, G1HSM
leon.heller@...
http://www.geocities.com/leon_heller


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