ASTM standards for gold and platinum.

Gold Refining Forum

Help Support Gold Refining Forum:

This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.

Research135

Well-known member
Joined
Jul 24, 2015
Messages
90
http://web.askewindustrial.com/ASTM/B562.pdf?tblASTMSpecsPage=29

http://web.askewindustrial.com/ASTM/B561.pdf?tblASTMSpecsPage=41
 
Back
Top