Masons use this under the form of "Muriatic Acid" as I recall the
concentration is around 37%
David Cutter wrote:
> 2.5L will cost you about GBP13 from www.reagent.co.uk, but I doubt if you
> need that much. A proprietary cleaner and cotton bud would be easier.
>
> David
> G3UNA
>
>
>
>
>> Sorry to post this to the group, but my direct note to Mike was bounced by
>> his spam stopper.....
>>
>> Hello Mike,
>> I find your advice very interesting. However my reason for this
>> note....I am not a chemist, does HCL mean hydrochloric acid?.....if it
>> does,
>> then what handling precautions does one need to take in mixing and
>> applying
>> the solution to the tarnished silver surface......I would be grateful for
>> your response in due course.....regards, John G3JVC.
>>
>>
>>
>>
>>
>>
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