Robs77 New member May 1, 2019 #1 I cannot find on web any chemical/analytical method or reagent for testing AS purity in terms of heavy metals.
I cannot find on web any chemical/analytical method or reagent for testing AS purity in terms of heavy metals.
Renew1 Legend May 1, 2019 #2 Robs77 said: I cannot find on web any chemical/analytical method or reagent for testing AS purity in terms of heavy metals. Click to expand... You can't test for these things. You could send them to a lab.
Robs77 said: I cannot find on web any chemical/analytical method or reagent for testing AS purity in terms of heavy metals. Click to expand... You can't test for these things. You could send them to a lab.
