Re: Technical Grade Muriatic Acid

Again, and I am not that sure . . but Hydrochloric acid does not come
that strong. When one purchases the 'concentrated' version in a
chemical supply house it is about 35±% and the Muriatic one buys in a
hardware store is about 33%. Why that is I simply don't know.
Jack

On Oct 7, 2005, at 12:41 AM, Loris Medici wrote:

>
> The chemfinder.com page on HCL says it's a gas in the pure state
> and its solubility is 62gr in 100mL water. So, the ~31% variant is
> actually half strength HCl, not concentrated (62%) HCl.
> -----Original Message-----
> From: Jack Fulton [mailto:jefulton1@comcast.net]
> Sent: 07 Ekim 2005 Cuma 06:53
> To: alt-photo-process-l@sask.usask.ca
> Subject: Re: Technical Grade Muriatic Acid
>
> Boy, those experts should weigh in here but as far as I know from
> my chemistry of years back and hardware store
> attendance, muriatic is an older description of hydrochloric when
> it describes acid. The technical grade is what is
> normally available at your hardware store. It is pretty darned
> close to the concentrated hydrochloric acid used to mix with nitric
> acid to create aqua regia.
> Jack Fulton
>
>
> On Oct 6, 2005, at 8:43 AM, Michael Koch-Schulte wrote:
>
>> Could someone tell me what percentage the technical grade muriatic
>> acid
>> (HCL) sold as masonary and brick cleaner in hardware stores is?
>> Has anyone
>> used this for creating Aqua Regia ?
>>
Received on Fri Oct 7 06:56:43 2005