Which Chemicals used in this video

[m.iftikhar447]

Can you guide me which acids are used in this video.

https://www.youtube.com/watch?v=ZRN3eClTJYM

 

[g_axelsson]

It's been discussed before.
http://goldrefiningforum.com/phpBB3/viewtopic.php?f=86&t=19310&p=195523&hilit=http%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DZRN3eClTJYM#p195523

Göran

 

[m.iftikhar447]

It's been discussed before.
http://goldrefiningforum.com/phpBB3/viewtopic.php?f=86&t=19310&p=195523&hilit=http%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DZRN3eClTJYM#p195523

Göran

g_axelsson,Thank you very much for helping me to pointout such information, Thanks Again Göran
i want to know, is there any other simple method for easy gold recovery & refinig, because that method is using many different chemicals.....