I run some tests to see how much gold I can get to dissolve in mercury as well as measure the density of the resulting liquid. measuring density of small things: https://www.youtube.com/watch?v=-Hpg214Kk_U music by Dan Wurtzbacher at www.ddubbAUDIO.com Help me make videos by donating here: https://www.patreon.com/CodysLab