Pass hydrogen over the copper oxide to remove the remaining oxygen; and finally Take a conductivity test to prove the presence of copper. This clip will be relevant for teaching Chemistry and ...

Assays were completed at ALS Global Laboratory, North Vancouver, BC as follows: *Cu-OG62: Standard assay, aqua regia solvent for copper oxides and sulphides, Four acid digestion and ICP finish 0.4g ...

We have recently completed extensive surface mapping at Mt Oxide, including rock chip sampling and a very successful GIS [Geographic Information System] IP survey.” "True North Copper raises $32 ...