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Subject: Re: [Homebrew_PCBs] Ferric Chloride - while in powder form took on moisture?

From: "Stefan Trethan" <stefan_trethan@...>
Date: 2006-07-16

On Sun, 16 Jul 2006 15:13:36 +0200, lcdpublishing
<lcdpublishing@...> wrote:

> Hi guys,
> I have some Ferric Chloride I did not store properly. I thought it was
> in an airtight container, but obviously not as the powder has changed
> colors in areas. I am assuming this is because the powder took on
> some moisture.
> I believe it will still be okay to use, but before I mix up the batch,
> I figure I would ask first if there are any problems using it?
> Thanks
> Chris


I don't think ferric chloride deteriorates even when fully mixed "just
sitting there".

ST