purchasing test acid for 9kt Gold in the US

[sheely213]

kt I do a lot with vintage and antique jewelry and cannot find a source for the 9kt test acid. The only sources I have found are in the UK and they cannot ship to the US. I am not as sophisticated as many of your users. Wondering if anyone can offer some help?

 

[jimdoc]

You simply use a known 9k sample along side what you are testing on the touchstone with 10k acid, or whatever you have. Here is a good testing guide;



http://goldrefiningforum.com/phpBB3/download/file.php?id=1765