"Arfa Daily" wrote in message
...

wrote in message
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Hi all,

I want to do some anodising, and I am trying to locate a source of
sulphuric acid. Battery acid would probably be the easiest way to get
hold of it, but all the car part places around me say that they aren't
allowed to stock it any more because it is a restricted substance.
Curiously, despite being restricted, I can still buy it mail order and
have it sent to me through the post (http://www.getgeared.co.uk/
acatalog/Battery_Acid_1_Litre.html)!

If I can I want to avoid the postage charge for mail order (the cost
of the acid is less than the P+P) so does anyone know of any other
place that would stock sulphuric acid?

thanks,

dan.

A plating works, I should think. My next door neighbour is involved with
one, and they have it. They also do anodising, and have all sorts of
people coming in off the street to have little jobs done, and often, they
are able to chuck it in with a commercial job, so payment is a few quid
for the tea money jar. If you have such a works anywhere nearby, might be
worth you giving them a bell, just to ask ... ??

Arfa

The suppliers I used to use all the time seem to have largely vanished since
I was a lab tech, but here is one:
http://www.reagent.co.uk/sulphuric-acid-ar.html

Looking at their remarks on how this acid can be used, I would say it is
definitely a case of buyer beware. If you were to make for example a
chromic acid solution - this used to be a common anodising and plating
method - you would have the water board round like a shot if even the
tiniest amount got into the drains, and risking some pretty nasty (REALLY)
nasty burns in the process.

Our anodising baths were run at around 15% v/v sulphuric.

S