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I have tin, just no hcl, I've looked at muriatic acid, it's path cleaner in the UK, I can't get specifics on line, or anyone recommend a brand? Some I noticed have lemon scent, I'm used to known acids and could just get them easy, delivered next day,
Hi Mike,

Since October last year, hydrochloric acid above 10% has become a restricted substance in the UK requiring an Explosives Precursors and Poisons licence from the Home Office to acquire (for non business individuals).

You can however get brick and patio cleaner which is HCl at 9% to 10% legally.

Multicrete is a relatively inexpensive brand by comparrison and does not have any inhibitors loaded into it (which some brick and patio cleaners do).

Dave
 
Hi Mike,

Since October last year, hydrochloric acid above 10% has become a restricted substance in the UK requiring an Explosives Precursors and Poisons licence from the Home Office to acquire (for non business individuals).

You can however get brick and patio cleaner which is HCl at 9% to 10% legally.

Multicrete is a relatively inexpensive brand by comparrison and does not have any inhibitors loaded into it (which some brick and patio cleaners do).

Dave
Welcome to us.
 
Between the operating supply side and the accounting side, the government seems to have you guys tightly bound up.
The truth behind the War for Independence: Benjamin Franklin liked to scrap the old computers left behind by the Grey Aliens in the South American pyramids, but King George was being a jerk and kept all the HCl for himself! So Ben was like, "We ain't playin' like dat in da hood!" And then George Washington joined the cause after the ghost of the cherry tree he cut down joined the British.

I learned all my history from Reddit!
 
I used to use stannic chloride as a powder in hcl and leave a bit of tin in the solution, it was always cloudy, but worked well.
I have had to dissolve some known gold to test my solution.
I just pop pieces of an old Pewter mug into HCL and leave it. The trick you mentioned about having a known gold test solution is a good one Mike. Even scousers get things right occasionally. :love:

Jon
 

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