An ammonia leak at a chemical manufacturing plant in Bay City late Friday afternoon injured several workers, authorities said ...

A PSV valve failure at Roehm USA's Texas plant released ammonia. It prompted emergency response, emergency management said.

Ammonia, NH 3, is an alkaline gas and so turns damp red litmus paper blue. Ammonium ions (NH 4 +) – found in ammonium compounds such as ammonium chloride, ammonium nitrate and ammonium sulfate ...

This is the product's overall performance score, based on key tests conducted by our industry experts in the CHOICE labs.

Feb 19 (Reuters) - Fertilizer firm CF Industries (CF.N), opens new tab reported a nearly 20% rise in its fourth-quarter profit on Wednesday, helped by higher ammonia sales and steady prices.