A superior, dry, non-hazardous substitute for nitric acid when making aqua regia. This very dense chemical mixture dissolves instantly, making it far more economical to use than sodium nitrate. MX3 possesses all of the advantages that sodium nitrate has over nitric acid, including:

• It is far less hazardous
• Fumes are reduced by 90-95%
• it is more easily obtained
• It is far less expensive

PLEASE NOTE: THIS PRODUCT IS ONLY SOLD AS A COMPONENT OF OUR AR3G GOLD REFINING SYSTEM, OR AS A REFILL FOR RESUPPLYING REGISTERED CUSTOMERS WHO USE SHOR PRECIOUS METAL REFINING EQUIPMENT