The Minnesota Court of Appeals upheld a state agency’s decision to deny an iron ore mine and processing plant’s request to ...

Here we’ve got an iron nail and some copper sulfate solution. Copper sulfate is a compound that contains the metal copper. We start by filling the beaker with copper sulfate solution about halfway.

Bucklin, of Troy, N. Y., for a new and improved mode of coating iron with copper, which promises to be an invention of no small importance to the arts. It has long been a desideratum to coat iron ...

Hydrogen sulfide dissolved in water corrodes metals such as iron, steel, copper and brass. The corrosion of iron and ... Hydrogen sulfide may also be produced when sulfate in well water converts to ...