Aqua Metals (NASDAQ:AQMS) +5.6% pre-market Wednesday after saying its work with partners has successfully produced the ...

The company says it has used its proprietary process to recover nickel from spent lithium-ion batteries and battery ...

Carbonate ions also produce a white precipitate with silver nitrate solution. The acid reacts with any carbonate ions present. This removes them, so stopping them giving an incorrect positive ...