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

From: Lee Studley <indigo_red@...>
Date: 2010-01-19

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



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