Unanswered How to test AS’s for heavy metals and other impurities?

[Robs77]

I cannot find on web any chemical/analytical method or reagent for testing AS purity in terms of heavy metals.

 

[Renew1]

I cannot find on web any chemical/analytical method or reagent for testing AS purity in terms of heavy metals.

You can't test for these things. You could send them to a lab.