How to prepare Aqua regia?

Preparing Aqua regia solution for dissolving Gold.

First, pour 150 ml concentrated HCl (hydrochloric acid) in a polypropylene container, and then slowly add 50 ml of concentrated HNO3 (nitric acid). Now Aqua regia is prepared and you can start to dissolve Gold from plated metals.

See how Aqua regia dissolves gold.