Allegations have surfaced that a copper and brass extracting company is discharging heavy metals into the Kelani River, the ...

Nothing will ruin your eye makeup quite like chopping onions. Just a few weeks ago I started slicing several onions in my ...

A copper and brass factory is contaminating the Kelani River in Pethiyagoda, harming the environment and the health of ...

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 ...

While chopping onions I still smelled the pungent and slightly sulfuric aroma usually associated ... giving off syn-propanethial-S-oxide gas. This gas is what wafts up to your eyes and irritates ...

Nexa Resources S.A. (NYSE:NEXA – Get Free Report) traded down 6.9% on Tuesday after Bank of America lowered their price target on the stock from $8.00 to $6.50. Bank of America currently has an ...

In connection with Boliden's Capital Markets Day, an update on the commissioning of the expansion project in Odda will be given together with several project updates, primarily within Business Area ...

magnesium oxide, magnesium hydroxide, and magnesium sulfate, as well as copper sulfate, zinc sulfate, ammonium sulphate and bisulfite, deprezinc, sodium chloride, sulfuric acid, and antimony ...

The ongoing air monitoring by DEP and EPA is testing for several sizes of fine particulate matter, hydrogen cyanide, chlorine, volatile organic compounds, hydrogen sulfide and sulfuric acid ... and ...

WINNEMUCCA, Nev., March 5, 2025 /PRNewswire/ -- Hycroft mining Holding Corporation (Nasdaq: HYMC ) ("Hycroft" or the "Company") announces 2024 full year results and filing of its Form 10-K.

Hycroft Mining Holding Corporation (Nasdaq: HYMC) ("Hycroft" or the "Company") announces 2024 full year results ...

It is not, however, the primary copper ore today. Copper oxide ores are leached with sulfuric acid to liberate the copper minerals into a solution of sulfuric acid laden with copper sulfate solution.