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Subject: Re: [Homebrew_PCBs] Re: Reducing concentration of HCl from 10% to 40%

From: Stefan Trethan <stefan_trethan@...>
Date: 2010-01-19

I'm absolutely positive there's HCl to be bought in California
somewhere. It's just a matter of finding the source.

ST

On Tue, Jan 19, 2010 at 5:52 PM, Lee Studley <indigo_red@...> wrote:
>
> Unfortunately, in California breathing air is considered a carcinogen.
>
>> 30~35% (wt) HCl is readily available as brick cleaner/ pool acidfier
>> here in Australia. Even sold in 250ml bottles up to 20L drum at some
>> local hardware stores. Its possible to remove some of the water, but not
>> practical. Normally, dry HCl is produced in an oven and then dissolved
>> in water until saturation, of which you get about 35% acid at STP.
>>
>> Adam
>
>
>