... - If you liked this video you can support me for making more awesome videos! Thanks! In this video You can see one way to dissolve copper metal without nitric acid. This technic involves concentrated sulphuric acid an
by Jewelry Television
by Mark Montano
by Charisse Eaves
by ART AND CRAFT WITH RAIFAH
by Ellen Gormley
by VIKISHUB
by Carli Bybel