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Subject: Re: [Homebrew_PCBs] Re: Blackening copper

From: Stefan Trethan <stefan_trethan@...>
Date: 2004-05-13

On Wed, 12 May 2004 22:37:23 +0100, lists
<stuart.winsor.lists@...> wrote:

> In article <opr7wfrpnoooawdc@...>,
> Stefan Trethan <stefan_trethan@...> wrote:
>> > I found something at an art store a few years ago called "Liver of
>> > Sulphur" which I used to blacken copper for antiquing purposes.
>
> Pottasium Sulphide
>
> Stuart.
>

thanks, don't have this one either..

guess i must buy something..

ST