[modeleng] Re: Pickle
- From: "Bob Logan" <boblogan@xxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Tue, 5 Oct 2004 13:12:51 +1300
DON'T tip it down the drain, contact your local council, they will have a
company address, to help you dispose any acidic or dangerous liquids,
SAFELY.
Bob.
----- Original Message -----
From: "Ron Head" <ron.head@xxxxxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Tuesday, October 05, 2004 11:12 AM
Subject: [modeleng] Pickle
> Hi chaps
>
> I've been finding it difficult to get citric acid, as shops like Boots
just
> don't seem to stock home brew equipment any more. However, I've just
found
> that a mail order company, the Home Brew Shop
(www.the-home-brew-shop.co.uk)
> can supply 1kg tubs for 4UKP, which I think is pretty good. The downside
is
> that the postage is 6.50UKP, however I've ordered two tubs and that should
> last me some time.
>
> In my workshop I have a spent tank of sulphuric acid - it contains so much
> dissolved copper that it is probably mostly copper sulphate now. Does
anyone
> know of a safe/legal way to dispose of it? Could I mix an alkali with it
to
> neutralise it, and if so would it be safe to tip down the drain? I expect
> this might still be taboo on account of the dissolved metal. Any ideas
> anyone?
>
> Regards
>
> Ron Head
> Oxford
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